Large Mammals, Canines, Marsupials and Monotremes and 36 More Topics · Animals & Nature — English Vocabulary
Learn 474 English words covering Large Mammals, Canines, Marsupials and Monotremes and 36 more topics from the Animals & Nature — English Vocabulary list, each with pronunciation, a definition and example sentences.
an animal that is very large, has thick gray skin, four legs, a very long nose that is called a trunk, and mostly lives in Asia and Africa
"The elephant sprayed water with its trunk."
"The elephant used its trunk to spray water over its back to cool down on the hot African plain where the temperature often exceeded one hundred degrees during summer."
hippopotamus/ˌhɪpəˈpɑtəməs/noun
a large African mammal with a thick gray skin, big jaws and tusks that lives near water
"The hippopotamus stayed in water."
"The hippopotamus emerged from the lake and opened its mouth widely."
rhinoceros/raɪˈnɑsərəs/noun
a very large mammal with a thick gray skin and one or two horns on its nose, feeding on plants, which is native to Africa and Southern Asia
"The rhinoceros charged forward."
"The massive rhinoceros, with its formidable horn, charged across the savanna, a truly awe-inspiring sight."
giraffe/ʤəˈræf/noun
a tall animal with a very long neck and long legs that has brown spots on its yellow fur
"The giraffe ate leaves."
"A giraffe's neck can be up to two meters long containing the same number of vertebrae as a human neck which is seven."
gorilla/ɡəˈrɪlə/noun
an African ape which has a large head and short neck that looks like a monkey with no tail
"The gorilla looked powerful."
"Gorillas live in family groups led by a dominant silverback male who protects the group from predators and resolves internal conflicts peacefully."
panda/ˈpændə/noun
a large mammal that looks like a bear with black and white fur and eats bamboos, usually found in China
"The panda ate bamboo at the zoo."
"The giant panda spends up to fourteen hours each day eating bamboo to meet its nutritional needs."
moose/ˈmus/noun
a large deer with palmate antlers, a long, drooping snout, and a hump on its shoulders, found chiefly in northern forests of North America, Europe, and Asia
"A big moose walked."
"A large moose with impressive antlers emerged from the dense forest and cautiously approached the lake."
yak/ˈjæk/noun
a large wild ox with shaggy coat and long horns that is domesticated in Tibet
"The yak carried heavy supplies through the mountain pass."
"The yak carried heavy supplies across the high mountain passes for the expedition team."
manatee/ˈmænəˌti/noun
a large marine mammal that is herbivorous, has a rounded tail and lives in coastal waters
"A manatee swam by."
"A gentle manatee glided through the clear, warm waters, peacefully munching on submerged vegetation."
sea lion/sˈiː lˈaɪən/noun
a large type of seal with external ear flaps that is mainly found on Pacific coasts
"The sea lion barked."
"The sea lion performed an impressive trick, balancing a bright red ball on its nose for the cheering crowd."
seal/siːl/noun
a large sea animal with flippers that eats fish, can live on land and in water, and is hunted by humans for its fur
"A seal rested on the rock."
"Seals can hold their breath for nearly two hours when diving deep underwater because their bodies store large amounts of oxygen in their muscles and blood."
walrus/ˈwɔɫɹəs/noun
a large marine mammal like a seal with two large tusks that lives in Arctic regions
"The walrus had tusks."
"The massive walrus used its formidable tusks to anchor itself securely on the slippery ice floe."
warthog/wˈɔːɹthɑːɡ/noun
a wild pig with a pair of tusks that lives in sub-Saharan Africa and feeds on vegetables
"A warthog ran fast."
"The warthog darted across the savanna, its tail held high as it escaped from the approaching predator."
sea otter/sˈiː ˈɑːɾɚ/noun
a marine mammal known for its adorable appearance, dense fur coat, playful behavior, and remarkable tool-use ability in foraging for food
"The sea otter floated."
"The adorable sea otter floated on its back, skillfully using a rock to crack open a tasty clam."
bison/ˈbaɪsən/noun
a large wild mammal of the cow family covered with long hair that is found in North America or Europe
"The bison herd grazed peacefully."
"The bison herd thundered across the prairie their heavy hooves shaking the ground beneath the grass."
Canines
gray wolf/ɡɹˈeɪ wˈʊlf/noun
a highly social and adaptable carnivorous mammal, known for its sleek appearance, cooperative hunting behavior, and cultural significance
"The gray wolf howled at the moon."
"The gray wolf pack howled together at the full moon to coordinate their hunting territory boundaries."
Arctic wolf/ˈɑːɹktɪk wˈʊlf/noun
a subspecies of the gray wolf adapted to survive in the harsh Arctic regions of North America
"The Arctic wolf's white fur camouflaged it in the snow."
"The Arctic wolf's white fur provided perfect camouflage against the snowy tundra throughout the winter months."
red fox/ɹˈɛd fˈɑːks/noun
a medium-sized mammal of the Canidae family, known for its distinctive red fur, bushy tail, and adaptability to a wide range of habitats
"The red fox pounced on a mouse in the field."
"The red fox pounced into the snow catching a mouse that was hiding underneath the white surface."
gray fox/ɡɹˈeɪ fˈɑːks/noun
a medium-sized mammal of the Canidae family, known for its unique appearance
"The gray fox climbed a tree."
"The gray fox climbed a tree to escape pursuing coyotes a skill unique among North American canids."
fennec fox/ˈfɛnɪk fɑːks/noun
a small nocturnal fox found in the Sahara Desert of North Africa. It has distinctive large ears, which serve to dissipate heat and aid in hunting prey in the dark
"The fennec fox has large ears to help it cool down."
"The fennec fox's enormous ears radiate body heat to keep it cool in the Sahara desert."
jackal/ˈdʒækəɫ/noun
a mid-sized canine that hunts in packs, usually found in Africa and Southern Asia
"The jackal's call was heard at dusk."
"The jackal scavenged near the lion kill waiting for the larger predators to finish eating first."
dingo/ˈdɪŋɡoʊ/noun
a wild dog with a tan or reddish coat that is found in Australia
"The Australian dingo is a wild dog native to the continent."
"The Australian dingo howled at dusk a wild sound that echoed across the rocky outback landscape."
coyote/kaɪˈoʊti/ , /ˈkaɪoʊt/noun
a North American wild animal that resembles a small wolf
"A coyote howled loudly."
"The lone coyote howled at the moon, its mournful cry echoing across the desert landscape."
hyena/haɪˈinə/noun
a nocturnal wild mammal that eats the remains of the flesh of other animals and makes a sound like laughter
"The hyena made a laughing sound as it fought over the carcass."
"The hyena's laugh like call signaled excitement during a dispute over a fresh carcass with other pack members."
brown hyena/bɹˈaʊn haɪˈiːnə/noun
a carnivorous mammal native to Africa, known for its distinct appearance and scavenging behaviors
"The brown hyena is nocturnal."
"The brown hyena has shaggy dark fur and lives alone unlike the more social spotted hyena species."
striped hyena/stɹˈaɪpt haɪˈiːnə/noun
a carnivorous mammal found in parts of Africa, the Middle East, and South Asia, characterized by its distinctive striped coat, powerful build, and scavenging behaviors
"The striped hyena is less aggressive than its spotted cousin."
"The striped hyena is primarily a scavenger and uses its powerful jaws to crush bones for marrow."
spotted hyena/spˈɑːɾᵻd haɪˈiːnə/noun
a large, carnivorous mammal known for its distinctive spotted coat, powerful build, and complex social structure
"The spotted hyena lives in large social groups called clans."
"Spotted hyenas live in large clans led by dominant females who are larger and more aggressive than males."
African wild dog/æfɹɪkən waɪld dɑːɡ/noun
a canid found in sub-Saharan Africa. It is characterized by its unique coat pattern, which consists of patches of black, white, and brown.
"The African wild dog hunts in highly coordinated packs."
"The African wild dog pack hunted with remarkable coordination running down prey over long distances until exhaustion."
aardwolf/ˈɑːɹdwʊlf/noun
a small, insectivorous mammal native to Africa, known for its distinctive appearance, which resembles a small striped hyena, and its diet consisting mainly of termites
"The aardwolf uses its sticky tongue to eat termites."
"The aardwolf eats termites exclusively using its long sticky tongue to lap up thousands of insects each night."
Marsupials and Monotremes
kangaroo/ˌkæŋɡəˈruː/noun
a large Australian animal with a long tail and two strong legs that moves by leaping, female of which can carry its babies in its stomach pocket which is called a pouch
"The kangaroo hopped away."
"Kangaroos cannot walk backward because their large tail and powerful hind legs are specifically adapted for hopping forward efficiently."
koala/koʊˈɑɫə/noun
a tree-dwelling Australian mammal with gray fur and large ears that feeds on eucalyptus leaves
"The koala slept in the eucalyptus tree."
"The koala slept for twenty hours a day because its diet of eucalyptus leaves provides very little energy."
possum/ˈpɑsəm/noun
a small to medium-sized marsupial mammal known for its prehensile tail, nocturnal behavior, and ability to play dead as a defense mechanism
"The possum played dead."
"The possum plays dead when threatened lying motionless with its tongue hanging out for hours."
opossum/oʊˈpɑsəm/noun
a small nocturnal marsupial with a long tail that lives in trees and is found in the western hemisphere
"The opossum is North America's only native marsupial."
"The opossum has fifty teeth more than any other North American land mammal and a highly adaptable diet."
platypus/ˈpɫætəˌpʊs/noun
a semiaquatic mammal native to eastern Australia, notable for its duck-like bill, webbed feet, and ability to lay eggs
"The platypus is a strange mammal that lays eggs."
"The platypus is a monotreme meaning it lays eggs despite being a mammal with fur and milk production."
wallaby/ˈwɑɫəˌbi/noun
a mammal like a kangaroo but smaller in size that is native to Australia or New Guinea
"The wallaby hopped away with its baby in its pouch."
"The wallaby is smaller than a kangaroo and prefers denser forest habitats rather than open grasslands."
numbat/nˈʌmbæt/noun
a small, insectivorous marsupial known for its distinctive appearance, diurnal habits, and specialized diet of termites
"The numbat is a small termite-eating marsupial from Australia."
"The numbat is a termite eating marsupial with a long sticky tongue that can extend beyond its snout."
Tasmanian devil/tæzmˈeɪniən dˈɛvəl/noun
a carnivorous marsupial native to Tasmania, known for its stocky build, aggressive nature, and distinctive black fur with white markings on its chest
"The Tasmanian devil makes a loud"
"The Tasmanian devil's powerful jaws can crush bones including the thickest skulls of any mammalian predator."
bandicoot/ˈbændiˌkut/, /ˈbændɪˌkut/noun
a small animal with long tail and nose that mainly eats insects and is usually found in Australia
"The bandicoot used its long snout to dig for insects."
"The bandicoot digs cone shaped holes in the ground while searching for grubs and underground fungi."
quoll/kvɔl/noun
a carnivorous marsupial species found in Australia and Papua New Guinea, known for their distinctive spotted fur
"The quoll is a carnivorous marsupial with white spots."
"The quoll is a spotted carnivorous marsupial that has declined dramatically since the introduction of cane toads."
red kangaroo/ˈrɛd ˌkæŋɡɝˈu/noun
the largest marsupial species found in Australia, known for their powerful hind legs, distinctive red fur, and ability to hop at high speeds for long distances
"The red kangaroo is the largest marsupial in the world."
"The red kangaroo can hop at speeds of forty miles per hour and cover thirty feet in a single bound."
bilby/ˈbɪɫbi/noun
a small animal with long tail and nose that has rabbit-like ears and lives in deserts
"The bilby has long ears."
"The bilby has long rabbit like ears and a pointed snout for sniffing out insects and seeds."
tree kangaroo/tɹˈiː kˈæŋɡɐɹˌuː/noun
a unique marsupial adapted to life in the trees, known for its agility, powerful limbs, and ability to leap from tree to tree in rainforests of Australia and Papua New Guinea
"The tree kangaroo adapted to life in the rainforest canopy."
"The tree kangaroo has adapted for climbing with strong forelimbs and long curved claws unlike its ground dwelling relatives."
quokka/kwˈɑːkə/noun
a small macropod marsupial species found in Western Australia, known for their cute and friendly appearance, and often referred to as the "world's happiest animal"
"The quokka is known as the happiest animal on Earth."
"The quokka is famous for appearing to smile in photographs which has made it an internet sensation."
Weasel-like Mammals
polecat/ˈpoʊɫˌkæt/noun
a mammal that is dark brown in color and looks like a weasel, known for releasing an unpleasant odor while threatened
"The polecat smells bad."
"When threatened, the dark brown polecat, similar to a weasel, releases an unpleasant odor as a defense mechanism."
stoat/stˈoʊt/noun
a weasel-like mammal with a short tail and brown or all-white fur that mainly inhabits North Eurasia and North America
"The stoat changed fur."
"The stoat, a weasel-like mammal, changed its brown fur to all-white to camouflage itself in the winter snow."
ermine/ˈɝmən/noun
a small carnivorous mammal with a slender body, short legs, and a long, bushy tail, known for its distinctive coat that changes from brown in the summer to white in the winter with a black tip on its tail
"The ermine's fur turned white in winter."
"The ermine's white winter fur was once used to line royal robes and coronation cloaks."
skunk/skʌŋk/noun
a small mammal belonging to the weasel family with black and white stripes that can produce a strong unpleasant smell when attacked, native to North America
"The skunk sprayed its defense."
"When threatened, the skunk released its potent spray, creating a strong, unpleasant odor in the air."
pine marten/pˈaɪn mˈɑːɹʔn̩/noun
a north American mammal which has a dark brown coat and a yellow throat, also known as American marten
"The pine marten is an agile tree-dwelling mammal."
"The pine marten is an agile tree climber that preys on red squirrels and birds in northern forests."
mongoose/ˈmɑŋɡus/noun
a small furry mammal with sharp claws, long tail and short legs that feed on snakes and small animals, found in Asia and Africa
"The brave mongoose was known for hunting venomous snakes."
"The mongoose is famous for fighting cobras using its speed agility and partial immunity to venom."
meerkat/mˈɪɹkæt/noun
a small and social mammal, gray in color, with black markings and a long tail that feeds on insects, inhabiting Southern Africa
"The meerkat stood on its hind legs to look around."
"The meerkat stands sentry duty on its hind legs watching for predators while the rest of the mob forages."
kinkajou/kˈɪŋkɐdʒˌuː/noun
a tropical mammal that eats fruits and has a long tail and large eyes, originated in Central and South America
"The kinkajou hangs from branches."
"The kinkajou has a prehensile tail and a long tongue for extracting honey and nectar from flowers."
wolverine/ˌwʊɫvɝˈin/noun
a wild, solitary, strong, and resilient mammal with brown fur and a long tail, typically found in cold regions of northern Eurasia, Europe, and North America
"The wolverine has a reputation for being fierce and strong."
"The wolverine is a powerful solitary predator capable of driving bears and wolves away from their kills."
badger/ˈbæʤɚ/noun
a nocturnal animal belonging to the weasel family with short legs and gray fur
"The badger dug a hole."
"The badger emerged from its sett at dusk to search for worms and insects."
ferret/ˈfɛɹət/noun
a slim furry animal with a long tail that is domesticated and is used for catching rabbits, rats, etc.
"The ferret chased the mouse."
"The playful ferret, with its long body, darted through the tunnel."
marten/ˈmɑɹtən/noun
any carnivorous mammal that has a slender built, bushy tail and large paws from the weasel family, found in Northern hemisphere
"A slender marten hunts."
"The marten is a forest dwelling mustelid that hunts voles squirrels and birds among the trees."
mink/ˈmɪŋk/noun
a small semiaquatic wild mammal with a dark coat and long body, native to North America and Eurasia
"The mink is a semi-aquatic mammal often raised for its fur."
"The mink is a semiaquatic predator that has been farmed for its luxurious dense fur coat."
coati/kˈoʊɾi/noun
an omnivorous animal with a long snout and ringed tail that is mainly found in Central and Southern America
"The coati has long snout."
"The omnivorous coati, easily identified by its long snout and ringed tail, foraged for food in the jungle."
Aquatic Mammals
elephant seal/ˈɛlɪfənt sˈiːl/noun
a large marine mammal known for its impressive size, unique appearance, and remarkable diving ability
"The elephant seal was very large."
"The male elephant seal uses its unusual trunk like nose to roar loudly during breeding season fights."
blue whale/blˈuː wˈeɪl/noun
an enormous marine mammal that is found in every ocean of the world and is considered to be the largest living animal
"The blue whale is the largest animal on Earth."
"The blue whale's heart is the size of a small car and weighs nearly two thousand pounds."
humpback whale/hˈʌmpbæk wˈeɪl/noun
a large marine mammal known for its distinctive appearance, acrobatic behavior, and complex songs
"Humpback whale song."
"The humpback whale is famous for its long complex songs."
orca/ˈɔrkə/noun
a large, black-and-white marine mammal known for its social behavior, intelligence, and adaptability, found in oceans worldwide and known as an apex predator
"The orca jumped high."
"The orca whale hunted in coordinated packs using sophisticated strategies to catch seals and fish."
porpoise/ˈpɔɹpəs/noun
a marine mammal that resembles a dolphin with a rounded snout
"Look a porpoise is swimming near the boat."
"The harbor porpoise is shy and avoids boats unlike its more playful dolphin relatives."
dolphin/ˈdɑːlfɪn/noun
an intelligent sea mammal that looks like a whale and has a long snout and teeth
"The dolphin is very intelligent."
"A dolphin jumped out of the water near our boat."
minke whale/mˈɪŋk wˈeɪl/noun
a small baleen whale that is known for its sleek body, pointed head, and distinctive white band on each flipper
"The minke whale swam past the boat."
"The minke whale is the smallest of the baleen whales but still reaches up to thirty five feet long."
dugong/dˈuːɡɔŋ/noun
a marine mammal that feeds on vegetables, found in warm coastal waters of Indian and Pacific Oceans
"A dugong eats seagrass slowly."
"The dugong is related to the manatee and spends its entire life eating seagrass in warm coastal waters."
fur seal/fˈɜː sˈiːl/noun
a type of pinniped that belongs to the family Otariidae, known for their dense fur coats, streamlined bodies, and ability to both swim and move on land using their flippers
"Fur seals rest on the rocky shore."
"The fur seal has a thick underfur that made it a prime target for commercial seal hunters in history."
pilot whale/pˈaɪlət wˈeɪl/noun
a species of toothed whale known for their large size, distinctive appearance, and social behavior
"Pilot whales often travel in large groups."
"The pilot whale lives in stable family pods and mass strandings of entire groups are common for unknown reasons."
gray whale/ɡɹˈeɪ wˈeɪl/noun
a large baleen whale species known for its distinct appearance, long migrations, unique feeding behavior, and friendly interactions with humans
"Gray whales swim close to the coast."
"The gray whale migrates twelve thousand miles round trip each year the longest migration of any mammal."
harp seal/hˈɑːɹp sˈiːl/noun
a marine mammal known for its distinctive appearance, with a silvery-gray coat and black spots arranged in a "harp" shape on its back
"The harp seal has a fluffy white coat when born."
"The harp seal pup is born with a fluffy white coat that provides insulation until it develops blubber."
harbor seal/hˈɑːɹbɚ sˈiːl/noun
a marine mammal found in coastal regions of the Northern Hemisphere, known for its sleek body, spotted coat, and playful behavior in the water
"A harbor seal just popped its head out of the water."
"The harbor seal hauls out on rocks and beaches to rest and digest its food between dives."
sperm whale/spˈɜːm wˈeɪl/noun
a large marine mammal known for its immense size, distinctive square-shaped head
"Sperm whales can dive deeper than any other whale."
"The sperm whale's enormous head contains a spermaceti organ that helps focus sound for echolocation in deep water."
narwhal/nˈɑːɹwəl/noun
an Arctic whale species characterized by the long, spiraled tusk protruding from its upper jaw
"The narwhal has a long tusk that looks like a horn."
"The narwhal's tusk is actually an elongated tooth that can grow up to ten feet from its upper jaw."
Bears and Sloths
brown bear/bɹˈaʊn bˈɛɹ/noun
a large bear species characterized by its brown fur, muscular build, and prominent shoulder hump, found in North America, Eurasia, and parts of Scandinavia
"Last week I saw a brown bear near the river."
"The brown bear fattens on salmon during the summer run storing enough energy to survive seven months of hibernation."
giant panda/dʒˈaɪənt pˈændə/noun
a large mammal that looks like a bear with black and white fur and eats bamboos, usually found in China
"The giant panda eats bamboo."
"The giant panda spends up to fourteen hours each day eating bamboo to meet its low calorie needs."
grizzly bear/ɡɹˈɪzli bˈɛɹ/noun
a large, brown bear that lives across Eurasia and North America
"A grizzly bear will catch salmon during spawning season."
"The grizzly bear's shoulder hump is pure muscle that gives it enormous power for digging and fighting."
sloth bear/slˈɑːθ bˈɛɹ/noun
a species of bear found in the Indian subcontinent, known for its unique appearance, insectivorous diet
"Sloth bears love eating termites and ants."
"The sloth bear uses its long curved claws to rip open termite mounds then vacuum up insects with sucking lips."
red panda/ɹˈɛd pˈændə/noun
a carnivorous mammal that resembles a raccoon with a brownish coat and ringed tail, which its main habitat is the Eastern Himalayas
"The red panda sleeps for most of the day."
"The red panda is more closely related to raccoons than to the giant panda despite the similar name."
sun bear/sʌn bɛɹ/noun
a small species of bear found in Southeast Asia, known for its distinctive "V"-shaped patch of fur on its chest
"Sun bears have a yellow mark on their chest."
"The sun bear has a distinct golden patch on its chest that looks like a rising sun."
spectacled bear/spˈɛktəkəld bˈɛɹ/noun
a species of bear native to South America, named for the distinctive facial markings that resemble eyeglasses or spectacles
"Spectacled bears live in the Andes mountains."
"The spectacled bear is South America's only bear species named for the light ring markings around its eyes."
black bear/blˈæk bˈɛɹ/noun
a medium-sized bear species found in North America, known for its distinctive black or dark-colored fur, adaptability, and omnivorous diet
"My uncle once saw a black bear near his cabin."
"The black bear can climb trees easily even as an adult which helps cubs escape from predators."
polar bear/ˈpoʊlɚ bɛr/noun
a large white bear which lives in the North Pole and is well-adapted to its icy environment
"The polar bear lives in the Arctic."
"The polar bear's thick fur and layer of blubber help it survive in the freezing Arctic temperatures."
three-toed sloth/θɹˈiːtˈoʊd slˈɑːθ/noun
a unique mammal known for its slow movements and arboreal lifestyle in the tropical rainforests of Central and South America
"The three-toed sloth moves very slowly through the trees."
"The three toed sloth has three claws on each foot and can turn its head nearly three hundred sixty degrees."
two-toed sloth/tˈuːtˈoʊd slˈɑːθ/noun
a fascinating mammal with a slow-paced lifestyle and unique adaptations for living in the trees of the tropical rainforests
"Two-toed sloths are nocturnal and stay awake all night."
"The two toed sloth is faster than its three toed cousin but still among the slowest mammals on earth."
Other Mammals
aardvark/ˈɑɹdˌvɑɹk/noun
a nocturnal, burrowing mammal native to Africa, with a long snout and tongue, feeding mainly on ants and termites
"The aardvark eats ants."
"The nocturnal aardvark uses its long snout and tongue to efficiently feed on ants and termites in its burrow."
anteater/ˈæntˌitər/noun
a tropical mammal with a long tail, snout and tongue that feeds on ants or other insects
"The anteater ate many ants."
"The giant anteater can flick its two foot long tongue in and out up to one hundred fifty times per minute."
armadillo/ˌɑɹməˈdɪɫoʊ/noun
a small nocturnal mammal that is covered in small bony plates and is usually found in Southern America
"The armadillo has plates."
"The small, nocturnal armadillo, covered in bony plates, scurried across the ground in search of insects."
flying fox/flˈaɪɪŋ fˈɑːks/noun
a large, nocturnal bat with a wingspan of up to six feet, found in various parts of the world, known for its ability to fly long distances and feed on fruit
"Flying foxes hang upside down during the day."
"The flying fox is a fruit bat with a wingspan of up to five feet and no echolocation ability."
fruit bat/fɹˈuːt bˈæt/noun
a bat that feeds on fruits and lives in tropical countries
"Fruit bats will travel far to find ripe mangoes."
"Fruit bats disperse seeds over large distances because they drop fruit pits while flying between feeding trees."
hedgehog/ˈhɛdʒˌhɑɡ/noun
a small mammal that is active at night, which is covered with spines and can roll itself while attacked
"The hedgehog curled up when it heard a noise."
"The hedgehog rolls into a tight ball of sharp spines when threatened protecting its vulnerable face and belly."
jackrabbit/ˈdʒæˌkɹæbət/noun
a wild mammal like a rabbit, called hare, native to open parts of the US
"A jackrabbit has very long ears that help it cool down."
"The jackrabbit's enormous ears help regulate body temperature by radiating excess heat in the desert."
pangolin/pˈæŋɡəlˌɪn/noun
a nocturnal mammal covered in hard, overlapping scales, feeding primarily on ants and termites, and capable of curling into a protective ball
"Pangolins are covered in hard scales for protection."
"The pangolin curls into an armored ball when threatened and its scales feel like fingernail material."
peccary/pˈɛkɚɹi/noun
a mid-sized nocturnal mammal that resembles a pig and has hooves, usually found through North and South America
"A peccary lives in forests."
"The peccary is a pig like animal that lives in herds and defends itself with sharp tusks and musk."
raccoon/ræˈkun/ , /rəˈkun/noun
a small animal with a thick tail, gray-brown fur and black marks on its face
"A raccoon searched the trash."
"Raccoons have remarkably dexterous front paws that allow them to open trash cans doors and even jars which makes them clever urban pests."
shrew/ʃɹˈuː/noun
a small nocturnal mammal with long snout and tiny eyes, which feeds on insects
"The shrew eats almost constantly to survive."
"The shrew has an extremely high metabolism and must eat up to three times its body weight daily to survive."
tapir/tˈæpɪɹ/noun
a large herbivorous mammal with a short trunk that lives in forests of South and Central America or Southeast Asia
"Look a tapir is walking toward the river."
"The tapir's short prehensile nose functions like a stubby elephant trunk for grabbing leaves and fruit."
vampire bat/vˈæmpaɪɚ bˈæt/noun
a small winged mammal that feeds on the blood of other animals and is found in tropical regions of South America
"The vampire bat drinks blood."
"The vampire bat makes a small incision with its razor sharp teeth then laps the blood without harming its host."
wild boar/wˈaɪld bˈoːɹ/noun
a wild pig with a pair of small tusks that is native to Eurasia and North Africa
"Wild boars damage farmland when they search for food."
"The wild boar's sharp tusks are actually elongated canine teeth that grow continuously throughout its life."
hare/hɛr/noun
a rabbit-like animal with long legs and ears, which can run very fast
"The hare ran quickly."
"The agile hare darted across the meadow, its long legs propelling it to incredible speeds."
Domesticated Animals
horse/hɔːrs/noun
an animal that is large, has a tail and four legs, and we use for racing, pulling carriages, riding, etc.
"The horse is fast."
"He rides a horse every weekend at the farm."
donkey/ˈdɑŋki/ , /ˈdɔŋki/noun
an animal that is like a horse but has shorter legs and longer ears, and is used for carrying things and riding
"The donkey carried heavy bags up the hill."
"Donkeys are often used as pack animals in mountainous regions because they are sure footed and can carry heavy loads over rough terrain without complaint."
sheep/ʃiːp/noun
a farm animal that we keep to use its meat or wool
"The sheep are in the field."
"A sheep is grazing quietly near the fence."
alpaca/æɫˈpækə/noun
a domestic mammal related to the llama that has long hair and is native to Peru
"Alpacas spit when they feel threatened."
"The alpaca is native to the Andes and prized for its soft warm fleece that comes in many natural colors."
cat/kæt/noun
a small animal that has soft fur, a tail, and four legs and we often keep it as a pet
"The black cat crossed the street."
"The black cat stretched lazily on the windowsill enjoying the warm afternoon sunlight."
llama/ˈɫɑmə/noun
a mammal that resembles a camel with a soft woolen coat, found in South America
"A llama can carry heavy loads up the mountain."
"The llama is used as a pack animal in the Andes and can carry up to seventy five pounds for many miles."
pig/pɪɡ/noun
a farm animal that has short legs, a curly tail, and a fat body, typically raised for its meat
"The pig rolled in the mud."
"The pig looked happy and very healthy on the farm."
bunny/ˈbəni/noun
a child's word for a rabbit, usually a young one
"The bunny hopped across the garden this morning."
"The bunny's nose twitches constantly to sample air for scents of predators food or other rabbits nearby."
dromedary/ˈdɹɑməˌdɛɹi/noun
an Arabian one-humped camel that is kept for racing
"A dromedary has one hump."
"The dromedary camel has a single hump that stores fat not water providing energy when food is scarce."
cow/kaʊ/noun
a large farm animal that we keep to use its milk or its meat
"The cow gives milk."
"A cow was standing under the tree all morning."
Types of Cats and Dogs
sheepdog/ʃˈiːpdɑːɡ/noun
any breed of dog that is used to herd the sheep
"That sheepdog has been herding since sunrise."
"The farmer relied on his experienced sheepdog to gather all the animals before nightfall."
gun dog/ɡˈʌn dˈɑːɡ/noun
a dog that is trained to fetch the birds that are shot in hunting
"Gun dogs learn to retrieve birds without damaging them."
"The Labrador retriever was originally bred as a gun dog to retrieve waterfowl for hunters."
police dog/pəlˈiːs dˈɑːɡ/noun
a dog that is trained to assist with police work, such as detecting drugs or threats
"The police dog found the missing child within an hour."
"The German shepherd is commonly used as a police dog for patrol detection and suspect apprehension."
Retriever/ɹiˈtɹivɝ/noun
a gun dog that finds birds or other preys which are shot during hunting and fetches them intact
"The retriever fetched prey."
"The golden retriever has a soft mouth that can carry eggs without breaking them making it an excellent hunting companion."
guide dog/ɡˈaɪd dˈɑːɡ/noun
a dog that is professionally trained to lead the blind
"A guide dog helps its owner cross busy streets safely."
"The guide dog is trained to ignore distractions and keep its blind owner safe from obstacles and traffic."
lapdog/ˈɫæpˌdɔɡ/noun
a small pet dog that can be held in the lap
"The tiny lapdog sleeps on the couch all afternoon."
"The tiny lapdog was bred solely for companionship and would not survive independently in the wild."
sled dog/slˈɛd dˈɑːɡ/noun
a working dog specifically bred and trained for pulling sleds in snowy or icy conditions, known for their endurance, strength, and ability to withstand cold temperatures
"Sled dogs can run for miles without getting tired."
"The Siberian husky is a sled dog with incredible endurance capable of pulling a loaded sled for many hours."
watchdog/ˈwɑtʃˌdɔɡ/noun
a dog that is used to keep watch on a place
"The watchdog barks loudly whenever someone approaches the gate."
"The watchdog barks at strangers but has no training to attack or restrain intruders unlike a guard dog."
mouser/ˈmaʊzɝ/noun
a cat that catches mice and rats
"That old mouser caught three mice last night."
"The barn cat was an excellent mouser keeping the grain stores free from rodents without any training."
pussycat/ˈpʊsiˌkæt/noun
a familiar term used to refer to domestic cats in a playful or endearing manner
"Come here pussycat I have some milk for you."
"The soft pussycat purred contentedly on its owner's lap while being gently stroked behind the ears."
house cat/hˈaʊs kˈæt/noun
a domesticated feline that lives indoors with their owners as a companion pet
"My house cat sleeps for most of the afternoon."
"The house cat retains many wild instincts including stalking pouncing and scratching to mark territory."
Equines
pony/ˈpoʊˌni/noun
a type of horse that is small in size
"The pony was small."
"The little girl was thrilled to ride a small pony around the paddock during her birthday party."
mustang/ˈməsˌtæŋ/noun
a small horse that lives freely in the plains of the US
"Mustangs roam freely across the Nevada desert."
"The mustang is a free roaming horse of the American west descended from Spanish horses brought by colonists."
racehorse/ˈɹeɪsˌhɔɹs/noun
a horse bred and trained specifically for racing
"That racehorse won its first competition last spring."
"The thoroughbred racehorse can reach speeds of forty miles per hour during a sprint on the track."
thoroughbred/ˈθɝoʊˈbɹɛd/noun
A breed of horse developed for racing and characterized by speed, agility, and a long, slim body
"The thoroughbred won the race."
"The thoroughbred horse's lineage can be traced back to three foundation stallions imported to England in the seventeen hundreds."
wild horse/wˈaɪld hˈɔːɹs/noun
a horse that lives in the wild, is not domesticated, and has adapted to living in the wild
"The wild horse drinks from the stream every evening."
"The wild horse lives in family bands led by a dominant stallion who protects the mares and foals."
clydesdale/ˈkɫaɪdzˌdeɪɫ/noun
a large draft horse breed originating in Scotland, known for its strength, size, and feathering on the lower legs
"Clydesdales pull heavy wagons during the annual parade."
"The Clydesdale is a draft horse breed known for its feathered feet and high stepping gait in parades."
appaloosa/ɐpˈæluːsə/noun
a breed of horse characterized by its spotted coat pattern and often used in western riding
"My neighbor owns an appaloosa with distinctive spotted fur."
"The Appaloosa horse is known for its distinctive spotted coat pattern that varies from blanket to leopard spots."
zebra/ˈzibrə/noun
a wild animal that lives in Africa, which is like a horse, with black-and-white stripes on its body
"A zebra ran across the field."
"Each zebra has a unique stripe pattern similar to a human fingerprint allowing individual animals to recognize each other within the herd."
Animal Young
hatchling/hˈætʃlɪŋ/noun
an animal that has recently come out of its shell
"New hatchling emerged."
"The new hatchling emerged from the egg and opened its eyes for the first time."
joey/ˈdʒəʊi/noun
a young kangaroo
"The joey stays inside its mother's pouch for six months."
"The newborn kangaroo called a joey is only the size of a jellybean when it crawls into the pouch."
filly/ˈfɪɫi/noun
a horse that is female and young, particularly one that is younger than four
"That filly will grow into a fine mare someday."
"A young female horse under four years old is called a filly before she becomes a mare."
tadpole/ˈtædˌpoʊɫ/noun
an amphibian in the larval stage
"The tadpole swims in shallow water until it grows legs."
"The tadpole breathes through gills and swims with a tail until it metamorphoses into a frog."
cygnet/sˈɪɡnɪt/noun
a newly-hatched swan
"A cygnet has gray feathers unlike its white parents."
"A tiny cygnet followed its mother across the calm lake, learning how to find food."
piglet/ˈpɪɡɫɪt/noun
a small young pig
"The piglet rolled in the mud."
"The piglet nursed from its mother with littermates all pushing for the best teat with milk."
colt/ˈkoʊɫt/noun
a young male horse under the age of four which is not castrated
"The colt runs beside its mother across the open field."
"The frisky colt ran around the pasture kicking up its heels and testing its newfound speed."
nestling/ˈnɛsɫɪŋ/, /ˈnɛstɫɪŋ/noun
a bird that is too young to leave the nest built by its parents, especially one that has not yet learned how to fly
"Young nestling fed."
"The mother bird feeds her young nestling with worms and insects every day in the nest."
pup/ˈpəp/noun
a young dog, wolf, seal, etc.
"The seal pup rests on the beach while its mother hunts."
"The seal pup cried for its mother from the rocky shore until she returned from fishing."
gosling/ɡˈɑːslɪŋ/noun
a newly-hatched goose
"Goslings stay close to their parents for protection."
"The gosling's fluffy yellow down will eventually be replaced by gray brown feathers as it matures."
larva/ˈɫɑɹvə/noun
a young form of an insect or an animal that has come out of the egg but has not yet developed into an adult
"The larva will become a butterfly."
"A larva is the immature form of an insect that hatches from an egg before becoming an adult."
kitten/ˈkɪtən/noun
a young cat
"The kitten pounces on a ball of yarn and rolls away."
"The kitten pounced on a rolling ball of yarn as if it were a real mouse."
cub/ˈkəb/noun
a young carnivorous mammal, such as a bear, lion, fox, etc.
"Lion cub played happily."
"The cute lion cub played happily with its mother in the zoo enclosure yesterday afternoon under the sun."
maggot/ˈmæɡət/noun
a soft and legless larva of a dipterous insect, such as a housefly, which could be found in decaying organic matter
"Maggots appear on rotting food within a few days."
"The maggot hatched from an egg laid by a fly and began feeding immediately on the decaying meat."
leveret/lˈɛvɚɹət/noun
a young hare or rabbit that is less than a year old and has not yet developed its full growth
"The leveret hides in the grass while its mother searches for food."
"The leveret was born fully furred with eyes open and could flee from predators within hours of birth."
foal/ˈfoʊɫ/noun
a young horse, especially one that is not older than one year
"The foal takes its first wobbly steps this morning."
"The foal wobbled on its long spindly legs trying to stand for the first time after birth."
whelp/wˈɛlp/noun
a young offspring of a dog, wolf, or certain other carnivorous mammals
"The wolf whelp howls for the first time last night."
"The wolf whelp played with its littermates learning dominance and submission through mock fights."
Collective Nouns for Animals
herd/ˈhɝd/noun
a group of animals, such as cows, sheep, etc. that are from the same species, which move and feed together
"A herd of cattle crossed the road."
"A herd is a large group of animals that move together and feed in the same area."
swarm/ˈswɔɹm/noun
a large group of insects moving together in the same direction
"A swarm of bees gathers near the old oak tree."
"The swarm of bees clustered on the tree branch while scout bees searched for a new home."
drove/ˈdɹoʊv/noun
a large number of people or animals moving in a group
"A drove of cattle moves slowly down the dusty road."
"The drove of pigs was herded down the narrow street to the market by shouting farmers."
flock/flɑk/noun
a group of birds of the same type, flying and feeding together
"A flock of birds flew away."
"A flock is a large group of birds"
shoal/ʃˈoʊl/noun
a large number of fish swimming together
"A huge shoal of fish swam together near the coral reef."
"Dolphins were seen playfully chasing a large shoal of sardines along the shoreline."
gaggle/ˈɡæɡəɫ/noun
a group of geese, specially when not in flight
"A gaggle of geese crosses the street without any fear."
"The gaggle of geese waddled across the green lawn honking loudly at passing pedestrians."
covey/ˈkəvi/noun
a group of game birds such as quails, partridges or grouses, typically consisting of six to twelve birds
"A covey of partridges explodes from the underbrush."
"The covey of quail exploded from the bushes all at once startling the hunters standing nearby."
bevy/ˈbɛvi/noun
a group of birds, especially quails or larks, that are typically seen or kept together
"A bevy of swans glides across the calm lake."
"The bevy of swans drifted gracefully across the lake their white feathers reflecting in the water."
murmuration/ˌmɝmɚˈreɪʃən/noun
a large group of starlings flying together in a coordinated manner, often in a swirling or undulating pattern
"The murmuration of starlings creates beautiful shapes in the sky."
"The murmuration of starlings twisted and turned in the evening sky forming beautiful shifting patterns against the sunset."
Animal Homes
hive/ˈhaɪv/noun
a structure in which bees live and make honey
"The entire hive works together to produce honey."
"The hive buzzed with activity as worker bees returned laden with pollen from spring flowers."
barn/bɑrn/noun
a large farm building used to keep animals and store crops or feed
"The old barn was painted bright red."
"The old barn had not been used for years and its roof was collapsing under the weight of snow that accumulated every winter."
lair/ˈɫɛɹ/noun
a place where a wild animal lives, hides, or takes refuge
"Hidden animal lair found."
"The hunter discovered the hidden animal lair deep in the dark forest last week carefully."
nest/ˈnest/noun
a structure that a bird makes for laying eggs or keeping the hatchlings in
"The bird built a nest."
"The mother bird diligently gathered twigs and soft materials to construct a secure and cozy nest for her newly hatched chicks."
cobweb/ˈkɑbˌwɛb/noun
a tangled net of threads that a spider makes in order to catch insects
"An old cobweb hangs in the corner of the abandoned shed."
"The dusty cobweb hung in the corner of the abandoned house catching dead flies and moths."
anthill/ˈæntˌhɪɫ/noun
a large mound of earth created by ants as their home and for storing food
"The children poke an anthill with a stick and run away."
"The anthill was disturbed by a child's stick causing thousands of ants to boil out in panic."
roost/ˈɹust/noun
a place where birds settle and rest
"Pigeons return to their roost under the bridge at dusk."
"The chickens returned to their roost at dusk settling on the wooden bars inside the coop."
rookery/ɹˈʊkɚɹi/noun
a collection of nests that a bird colony, such as rooks build for breeding
"Birds build rookery."
"The penguin rookery stretched across the rocky shore with thousands of birds packed tightly together for warmth."
aerie/ˈɛɹi/noun
a nest built high on a cliff, tree, or other elevated location by eagles, hawks, or falcons
"The eagle's aerie sits high on the rocky cliff."
"The eagle's aerie was built on a high cliff ledge inaccessible to predators and humans alike."
warren/ˈwɔɹən/noun
a network of interconnected underground tunnels and chambers where rabbits or other small burrowing animals live
"Rabbits disappear into their warren at the first sign of danger."
"The rabbit warren had multiple entrances hidden among the grass roots for quick escape from foxes."
sett/sˈɛt/noun
a badger's den or burrow
"The badger's sett has multiple entrances and tunnels."
"The badger sett was dug deep into the hillside with tunnels leading to several sleeping chambers."
habitat/ˈhæbɪˌtæt/noun
the place or area in which certain animals, birds, or plants naturally exist, lives, and grows
"The forest is their habitat."
"The rainforest provides a natural habitat for thousands of unique species that cannot survive anywhere else."
burrow/ˈbɜːroʊ/noun
a hole that an animal digs in the ground to use as a shelter
"Rabbit's burrow in ground."
"The small creature quickly retreated into its well-hidden burrow to escape the approaching predator."
sty/ˈstaɪ/noun
a small, enclosed area where pigs are kept
"The pig lies in the muddy sty without a care."
"The pig lay in the muddy sty sleeping contentedly despite the messy conditions around him."
cage/keɪʤ/noun
a framework made of metal bars or wires in which animals or birds can be kept
"The cage is clean."
"The parrot sat inside its large metal cage and repeated every word that the visitors said to it."
kennel/ˈkɛnəɫ/noun
a small structure used as a shelter for a dog
"The dog sleeps in its kennel during cold winter nights."
"The dog wagged its tail excitedly when its owner approached the kennel in the morning."
aviary/ˈeɪviˌɛɹi/noun
a large cage or building where birds are kept
"The zoo's aviary houses dozens of tropical birds."
"The large aviary allowed the parrots to fly freely while still protecting them from outdoor predators."
coop/ˈkup/noun
a small building to confine poultry, usually in a farm
"Close the chicken coop before the fox arrives at dusk."
"The chicken coop was fortified with wire mesh to keep raccoons from breaking in at night."
zoo/zuː/noun
a place where many kinds of animals are kept for exhibition, breeding, and protection
"We saw the new baby elephant at the zoo."
"The children were very excited to visit the zoo and see the new baby panda for the first time."
Animal Reproduction
hatch/ˈhætʃ/verb
(of birds, fish, etc.) to come out of an egg
"The chicks hatch from eggs."
"The mother bird sat on her eggs patiently waiting for them to hatch after several weeks."
breeding/ˈbɹidɪŋ/noun
the process of mating animals, plants, or microorganisms with desirable characteristics to produce offspring with those same traits
"Breeding season for these frogs begins after heavy rain."
"Breeding season for the deer began in autumn when stags competed loudly for mating rights."
spawn/ˈspɑn/, /ˈspɔn/noun
the eggs that an aquatic animal or an amphibian lays and are covered with a transparent layer
"Salmon spawn in the same stream where they were born."
"The salmon returned to the same stream where it was born to spawn and then die."
chrysalis/ˈkɹɪsəɫɪs/noun
the stage of the metamorphosis that comes between the larval and adult stages of a moth or butterfly
"The butterfly emerged from its chrysalis."
"The caterpillar hung upside down and formed a chrysalis where it would transform into a butterfly."
mate/meɪt/verb
(of animals) to have sex for breeding or reproduction
"Birds mate during the spring season."
"The birds mate during the spring season and then build a nest to raise their young chicks."
fertilization/ˌfɝtəɫɪˈzeɪʃən/noun
the union of a sperm and an egg to form a zygote, which marks the beginning of sexual reproduction in organisms
"Fertilization occurs when the sperm meets the egg."
"Fertilization occurs when the male sperm successfully penetrates the female egg forming a new organism."
spay/ˈspeɪ/verb
to remove the sexual organs of a female animal, called ovaries
"Please spay your female cat."
"We decided to spay our cat to prevent her from having unwanted litters of kittens every year."
crossbreed/kɹˈɔsbɹiːd/verb
to make an animal or plant breed with a different type
"Farmers crossbreed cattle for better traits."
"The farmer decided to crossbreed two different varieties of corn to create a hybrid that would be more resistant to pests and disease."
neuter/ˈnutɝ/verb
to remove the sex organs of a domestic animal in order to keep it from reproduction
"Please neuter your male dog soon."
"The veterinarian recommended that we neuter our male cat to prevent him from spraying inside the house and fighting with other cats."
brood/ˈbɹud/noun
all the young of a bird hatched at the same time, or the young of an animal cared for together
"The hen sat on her brood."
"The mother hen protected her brood of chicks by keeping them under her wings whenever she sensed any danger from predators nearby."
frogspawn/fɹˈɑːɡspɔːn/noun
the eggs laid by a frog, covered in a jelly-like mucus
"Frogspawn floats in large clumps near the pond's edge."
"The pond was thick with frogspawn in early spring each black dot surrounded by clear jelly."
pupa/ˈpjupə/noun
an insect which is in an inactive transitory stage of its metamorphosis, between the larval and adult stages
"The butterfly remains inside its pupa for several weeks."
"The caterpillar transformed into a pupa attached to a twig where its body would completely reorganize into a butterfly."
gamete/ˈɡæmit/, /ɡəˈmit/noun
a special cell used for reproduction, with sperm cells being the male gametes and egg cells being the female gametes
"Sperm is a male gamete."
"Gametes carry half the number of chromosomes needed for reproduction."
hermaphrodite/hɝˈmæfɹəˌdaɪt/noun
an organism that has both male and female reproductive organs
"Earthworms are hermaphrodites and possess both male and female organs."
"The earthworm is a hermaphrodite possessing both male and female reproductive organs simultaneously."
incubation period/ˌɪnkjuːbˈeɪʃən pˈiəɹɪəd/noun
the time between exposure to a pathogen and the onset of symptoms
"Short incubation period."
"The incubation period of chicken eggs is twenty one days before the chicks begin to hatch."
sperm/ˈspɝm/noun
the smallest and most motile cells in the male reproductive system responsible for fertilizing the female egg
"The male releases sperm into the water near the eggs."
"The sperm cell travels through the female reproductive tract to reach and fertilize the egg."
estrus/ˈɛstɹəs/noun
the recurring period of sexual receptivity and fertility in female mammals
"The female enters estrus only once during the breeding season."
"The female dog enters estrus twice per year which is commonly referred to as being in heat."
The Anatomy of Mammals
antler/ˈæntɫɝ/noun
any of the pair of branched horns that grow annually on the head of an adult animal, typically a male one, from the deer family
"The deer lost an antler."
"Every autumn, male deer shed their antlers and begin growing a new set for the following year."
hindlimb/hˈaɪndlɪm/noun
any of the pair of legs at the back of a four-legged animal
"The frog uses its powerful hindlimbs to leap great distances."
"The frog uses its powerful hindlimbs to jump long distances away from predators."
whisker/ˈhwɪskɝ/noun
any of the long, stiff hairs that grow on the face of a cat, mouse, etc.
"The cat's long whiskers twitched as it sniffed the air curiously."
"A cat uses its whiskers to sense nearby objects and navigate safely through dark or narrow spaces."
fang/ˈfæŋ/noun
a long, pointed tooth found in carnivorous animals, used for biting, gripping, and tearing flesh
"The snake sank its sharp fang into the leg of the mouse."
"The venomous snake used its long hollow fangs to inject poison into the small mouse before swallowing it whole."
cloven hoof/klˈoʊvən hˈuːf/noun
the foot of a mammal that is divided into two parts such as that of goats, sheep, etc.
"Deer have a cloven hoof that helps them walk on soft ground."
"The goat's cloven hoof helps it maintain balance on rocky and uneven mountain terrain."
snout/ˈsnaʊt/noun
the long and protruding facial part of an animal which comprises its nose and mouth, especially in a mammal
"The dog has a wet snout."
"A snout is the projecting nose and mouth of an animal"
hump/ˈhəmp/noun
a round outgrowth on the back of a mammal, such as a camel
"The camel stores fat in its hump not water."
"The camel's hump stores fat which provides energy when food and water are scarce."
teat/ˈtit/noun
the part of the body of a female mammal from which the young suck milk
"The puppy suckles milk from its mother's teat."
"The newborn kitten instinctively searched for its mother's teat to nurse immediately after birth."
hoof/ˈhuf/noun
the horny and hard part at the end of a limb of a mammal, such as a horse
"The horse's hoof made a loud sound on the hard stone road."
"The farrier carefully examined the horse's hoof to make sure there were no cracks or signs of infection."
udder/ˈʌdɚ/noun
an organ shaped like a bag that produces milk in a female mammal such as a horse, sheep, cow, etc.
"The cow's udder fills with milk every morning."
"The cow's udder produces large quantities of milk that is collected twice daily by farmers."
tusk/tʌsk/noun
each of the curved pointy teeth of some animals such as elephants, boars, etc., especially one that stands out from the closed mouth
"The elephant's tusks were very long."
"A tusk is an elongated, curved tooth that sticks out from the mouth of some animals."
muzzle/ˈməzəɫ/noun
the projecting part of the face of some animals such as dogs and horses that includes their jaws and noses
"Dog muzzle used."
"The dog muzzle was used for safety during the visit to the crowded park yesterday."
The Anatomy of Birds
gizzard/ˈɡɪzɝd/noun
the muscular part of a bird's digestive system with thick walls that grinds the food for a better digestion
"Bird's gizzard grinds food."
"The bird's muscular gizzard, containing small stones, effectively grinds the food for easier digestion and nutrient absorption."
wishbone/ˈwɪʃˌboʊn/noun
a Y-shaped bone between the neck and breast of a bird
"Bird's wishbone broke."
"Two people pull apart the turkey's wishbone and whoever gets the larger piece makes a wish."
claw/ˈkɫɔ/noun
a sharp and curved nail on the toe of an animal or a bird
"The eagle's claw was sharp and terrifying."
"The cat used its sharp claw to tear the fabric of the sofa while the owner was away."
The Anatomy of Fish, Insects, etc.
thorax/ˈθɔɹæks/noun
the middle part in the body of an insect between the head and the abdomen that bears the limbs or wings
"The insect's thorax contains muscles for its legs and wings."
"The insect's thorax contains the muscles that power its legs and wings for movement."
compound eye/kˈɑːmpaʊnd ˈaɪ/noun
a complex visual organ with multiple lenses found in insects and crustaceans
"A fly's compound eye consists of thousands of tiny lenses."
"A fly's compound eye consists of thousands of individual lenses that detect motion very effectively."
feeler/ˈfiɫɝ/noun
any of the pair of tentacles of an insect or crustacean that help them to sense touch or taste
"The snail uses its feelers to sense the environment around it."
"The cockroach uses its long feelers to navigate through dark narrow spaces and find food."
pincer/pˈɪnsɚ/noun
any of the sharp curved organs of an arthropod or insect, such as a crab, lobster, etc.
"The crab's pincer is sharp."
"The crab used its strong pincer to crack open the shell of a small clam and eat the soft meat inside."
endoskeleton/ˈɛndoʊskˌɛlᵻtən/noun
the internal bony structure of an animal that gives it form and supports its weight
"The human endoskeleton has two hundred six bones."
"The human endoskeleton is made of bone and cartilage providing support and protection for internal organs while allowing flexible movement."
exoskeleton/ˌɛksoʊˈskɛɫətən/noun
the hard outer covering that supports the body of an animal, such as an arthropod
"Crabs protect themselves using a strong exoskeleton"
"The beetle's exoskeleton protected it from predators."
venom/ˈvɛnəm/noun
a toxic substance produced and secreted by certain animals, typically used for defense or hunting
"The venom is dangerous."
"The snake's venom is powerful enough to kill a human within just a few hours if the victim does not receive the antidote."
tentacle/ˈtɛntəkəɫ/noun
any of the various flexible limbs of an animal, especially an invertebrate, which enable it to move or hold things
"The octopus has eight long tentacles."
"The octopus reached out with a long tentacle and grabbed the crab pulling it toward its beak like mouth hidden between its arms."
Animal Coverings
mane/ˈmeɪn/noun
hair that grows on the neck of an animal such as a horse, lion, etc.
"The lion's mane grows thicker as it matures."
"The lion's thick mane protects its neck during fights with other competing male lions."
feather/ˈfɛðɚ/noun
any of the light and soft parts covering the body of a bird
"A beautiful bird feather rested on the windowsill."
"The peacock shed a single blue and green feather which the child picked up from the ground."
plumage/ˈpɫumədʒ/, /ˈpɫumɪdʒ/noun
the feathers of a bird covering its body
"Colorful plumage shines."
"The bird has beautiful colorful plumage that shines in the sunlight during the day."
hide/haɪd/noun
the skin of an animal, especially a large animal, either raw or treated
"The cow hide is thick."
"Tanning animal hide transforms raw skin into durable leather for making shoes and bags."
bristle/ˈbɹɪsəɫ/noun
a short, thick, coarse hair growing naturally on an animal or person
"Animal bristle shown."
"He would bristle with anger whenever someone questioned his authority in the office."
Verbs Relating to Animals
molt/ˈmoʊɫt/verb
(of animals or birds) to lose hair, feathers, etc. temporarily before they grow back
"Snakes molt their skin periodically."
"The snake will molt its old skin once every few months as it grows larger and needs a new outer layer."
hibernate/ˈhaɪbɝˌneɪt/verb
(of some animals or plants) to spend the winter sleeping deeply
"Bears hibernate during winter."
"Some animals like bears and hedgehogs hibernate during the cold winter months to conserve energy."
swim/swɪm/verb
to move through water by moving parts of the body, typically arms and legs
"She swims every morning."
"The children love to swim in the lake during summer because the water is cool and clean."
hover/ˈhəvɝ/verb
(of a bird, aircraft, etc.) to remain at one place in midair
"The helicopter hovered above the building."
"The helicopter hovered above the building while the rescue team prepared to lower a rope to the stranded workers."
domesticate/dəˈmɛstəˌkeɪt/verb
to change wild animals or plants for human use or cultivation
"People domesticated wolves into dogs."
"Early humans learned to domesticate wild animals like wolves and goats for protection food and assistance with hunting."
camouflage/ˈkæməˌflɑʒ/verb
to blend in with the surroundings to avoid being seen or detected
"The frog camouflaged itself well."
"The soldiers used leaves and mud to camouflage their vehicles and hide from enemy aircraft."
slither/ˈsɫɪðɝ/verb
to move smoothly and quietly, like a snake
"The snake slithered through the grass silently."
"The long snake began to slither silently through the tall grass toward the unsuspecting mouse that was nibbling on a seed."
chase/ˈtʃeɪs/verb
to follow a person or thing and see where they go, often for the purpose of catching them
"The dog chases the mail carrier."
"The dog loves to chase squirrels in the park but he has never actually caught one."
pollinate/ˈpɑɫəˌneɪt/verb
to deposit pollen on a plant or flower so that it can produce new seeds or fruit
"Bees pollinate flowers while collecting nectar daily."
"Bees and other insects help to pollinate flowers by carrying pollen from one plant to another."
preen/ˈpɹin/verb
to groom oneself or another individual by straightening and cleaning the feathers or fur using the beak or tongue
"The bird preens its feathers carefully."
"The bird sat on the branch and began to preen its feathers to keep them clean and smooth."
burrow/ˈbɜːroʊ/verb
to dig a hole or tunnel into the ground or other surface to create a space for shelter or habitation
"Rabbits burrow underground for safety."
"The rabbit burrowed deep into the ground to create a safe nest for its babies away from predators."
gallop/ˈɡæɫəp/verb
(of a horse, etc.) to ride as fast as possible
"The horse gallops across the meadow."
"The horse galloped across the open field at full speed with its mane flying wildly in the wind behind it."
leap/ˈɫip/verb
to jump very high or over a long distance
"The frog leaped into the pond."
"The brave firefighter did not hesitate and decided to leap from the burning building into the safety net below."
glide/ˈɡɫaɪd/verb
to move smoothly and effortlessly through the air or on a surface with little or no propulsion
"The swan will glide across the pond."
"The eagle glided effortlessly through the air without flapping its wings for several minutes while searching for prey."
waddle/ˈwɑdəɫ/verb
to walk with short, clumsy steps and a swaying motion from side to side, typically as a result of being overweight or having short legs
"Penguins waddle on the ice."
"The fat penguin began to waddle awkwardly across the ice toward the water where its friends were already swimming and catching fish for dinner."
crawl/ˈkɹɔɫ/verb
to move slowly with the body near the ground or on the hands and knees
"The baby will crawl soon."
"The baby learned to crawl before she could walk and she explored every corner of the house enthusiastically."
Nouns Relating to Animals
extinction/ɪkˈstɪŋkʃən/noun
a situation in which a particular animal or plant no longer exists
"The dodo bird was hunted to extinction many years ago by humans."
"Extinction is the complete and permanent disappearance of a species from the Earth"
leash/ˈɫiʃ/noun
a long piece of rope, leather strap or light chain used for guiding and controlling a dog or other animals
"Strong dog leash."
"She bought a strong dog leash to walk her large pet safely in the city."
creature/ˈkriːʧɚ/noun
any living thing that is able to move on its own, such as an animal, fish, etc.
"The ocean creature glowed in the dark."
"The deep ocean is home to bizarre creatures that have adapted to extreme pressure darkness and cold including fish with transparent heads and glowing lures."
pet/pɛt/noun
an animal such as a dog or cat that we keep and care for at home
"My pet is very friendly."
"She takes care of her pet every day after school."
beast/ˈbist/noun
an animal, usually a wild or dangerous one
"The beast roared loudly in the forest."
"The legend spoke of a ferocious beast that lived in the cave and devoured anyone who entered."
mimicry/ˈmɪmɪkɹi/noun
the similarity of one animal species to another species or to elements of its environment, providing camouflage or protection from predators
"The moth's mimicry helps it look like a dead leaf."
"The stick insect uses mimicry to blend perfectly with twigs and avoid being eaten by birds."
livestock/ˈɫaɪvˌstɑk/noun
animals that are kept on a farm, such as cows, pigs, or sheep
"The farmer raised livestock for meat."
"The farmer keeps livestock such as cows, pigs, and sheep on his large farm."
fauna/ˈfɔnə/noun
the animals of a particular geological period or region
"The island has unique fauna found nowhere else."
"The island has a unique fauna that includes several species of birds and reptiles found nowhere else on Earth because of its long isolation from the mainland."
Adjectives Relating to Animals
domesticated/dəˈmɛstəˌkeɪtəd/adjective
(of a wild animal) tamed and adapted to live with or to the benefit of humans
"The cat is domesticated."
"The domesticated dog has lived alongside humans for thousands of years and it is one of the most popular pets in the world."
endangered/ɛnˈdeɪndʒɝd/, /ɪnˈdeɪndʒɝd/adjective
(of an animal, plant, etc.) being at risk of extinction
"The panda is endangered."
"The endangered species list includes the giant panda and conservation efforts have helped increase its population in recent years."
tame/ˈteɪm/adjective
brought from a wild state under human control or accustomed to humans
"The deer is tame."
"The tame deer ate from the children's hands because the animals had grown used to humans visiting the park every day."
winged/ˈwɪŋd/adjective
possessing or having wings, typically associated with the ability to fly
"The bird is winged."
"The winged insects flew around the light bulb and the cat sat underneath swatting at them with its paw."
warm-blooded/ˈwɑrm ˈblʌdɪd/adjective
describing an animal that is able to maintain a higher body temperature than its surroundings
"Mammals are warm-blooded."
"Warm-blooded animals maintain a constant body temperature regardless of the environment unlike cold-blooded creatures such as reptiles and fish."
cold-blooded/ˈkoʊld ˈblʌdɪd/adjective
describing an animal that its body temperature changes depending on the temperature of its surroundings
"Snakes are cold-blooded."
"Cold-blooded animals rely on external heat sources to warm their bodies so they often bask in the sun on cool mornings."
venomous/ˈvɛnəməs/adjective
possessing or producing a toxin that is injected or delivered into another organism through a bite, sting, or other means
"The snake is venomous."
"The venomous snake bite can be deadly and the hiker was lucky to reach the hospital before the poison spread through his body."
purebred/ˈpjʊɹˈbɹɛd/adjective
describing an animal of a specific breed having parents from the same breed, ensuring consistent lineage and genetic characteristics
"She owns a purebred poodle."
"The purebred puppy cost thousands of dollars but the family wanted a dog with a known medical history and predictable temperament."
migratory/ˈmaɪɡɹəˌtɔɹi/adjective
(of animals or birds) moving from one place to another, often with the changing seasons
"These birds are migratory."
"The migratory birds fly south every winter and return north in the spring to nest and raise their young."
furry/ˈfɝi/adjective
having an abundant covering or coat of soft, dense hair or fur
"The bunny is furry."
"The furry rabbit felt soft and warm when the child held it and she promised to take good care of her new pet."
fluffy/ˈfɫəfi/adjective
light and soft in texture, giving a feeling of coziness or warmth
"My cat is fluffy."
"The fluffy kitten looked like a small cloud of cotton and the children begged their parents to let them keep it."
feral/ˈfɛɹəɫ/adjective
(of animals) having returned to a wild state
"The cat is feral."
"The feral cats lived in the abandoned warehouse and a kind woman left food for them every evening."
amphibious/æmˈfɪbiəs/adjective
(of animals) capable of surviving both on land and in water
"Frogs are amphibious."
"Frogs are amphibious and can live both in water and on land without any problem."
aquatic/əˈkwætɪk/, /əˈkwɑtɪk/adjective
related to or adapted for living or functioning in water
"Whales are aquatic."
"The aquatic turtle spends most of its life in water but it comes onto land to lay its eggs in the sand."
extinct/ɪkˈstɪŋkt/adjective
(of an animal, plant, etc.) not having any living members, either due to natural causes, environmental changes, or human activity
"The dinosaur is extinct."
"The dinosaur has been extinct for millions of years and we only know about them from fossils."
Flightless Birds
cassowary/ˈkæsəˌwɛɹi/noun
a large terrestrial bird with a tall crest that is related to the emu, originated in Australia
"The cassowary is a dangerous bird."
"The cassowary is a large flightless bird with a dangerous claw that can inflict serious injuries."
emperor penguin/ˈɛmpɚɹɚ pˈɛŋɡwɪn/noun
the largest bird of the penguin family that is found in Antarctica
"Emperor penguins huddle together to survive the Antarctic winter."
"The emperor penguin breeds during the Antarctic winter enduring temperatures as low as negative sixty degrees."
emu/ˈimˌju/noun
a large terrestrial bird that can run fast, originally from Australia
"The emu ran quickly across the Australian outback."
"The emu is the second largest living bird by height after its relative the ostrich."
roadrunner/ˈɹoʊˌdɹənɝ/noun
a fast-running terrestrial bird of the cuckoo family with a long tail and a large crest that inhabits Southwestern US to Mexico
"The roadrunner runs across the desert road and disappears."
"The roadrunner can run at speeds up to twenty miles per hour and rarely flies."
peafowl/ˈpiˌfaʊɫ/noun
a very large ground-dwelling bird of the pheasant family with a crest, originated in Asia
"The peafowl fans its magnificent tail to attract a mate."
"The male peafowl known as the peacock displays its magnificent tail feathers to attract peahens."
ostrich/ˈɔstɹɪtʃ/noun
a fast and large bird that is flightless and has long legs and a long neck, native to Africa
"The ostrich ran fast."
"An ostrich can run faster than any human and uses its powerful legs to defend itself."
penguin/ˈpɛŋɡwɪn/noun
a large black-and-white seabird that lives in the Antarctic, and can not fly but uses its wings for swimming
"The penguin cannot fly."
"A penguin lives in cold places and swims very well."
dodo/ˈdoʊdoʊ/noun
a flightless bird native to Mauritius, characterized by its large size, stout body, and inability to fly, extinct in the 17th century
"The dodo bird is extinct."
"The dodo was a flightless bird that became extinct in the late seventeenth century due to human activity."
rhea/ˈɹiə/noun
a grassland bird of the South American origin that runs fast and is smaller than the greater rhea
"Rheas are large flightless birds that live in South America."
"The rhea is a large South American bird that resembles an ostrich but is much smaller."
Finches and Warblers
bullfinch/bˈʊlfɪntʃ/noun
a widespread Eurasian finch with a rosy breast, a strong beak and dark wings
"The bullfinch has a bright pink breast and a black cap."
"The bullfinch has a bright pinkish red breast that makes it easy to spot in winter gardens."
linnet/ˈɫɪnɪt/noun
a small passerine of the finch family that is mainly gray and brown, the male of which has a red breast
"Linnets sing beautiful songs from the tops of bushes."
"The linnet is a small finch that sings a beautiful varied song during the breeding season."
goldfinch/ˈɡoʊɫdˌfɪntʃ/noun
an American bird of passage of the finch family, the male of which has yellow and black plumage
"A goldfinch clings to a thistle plant and pulls out seeds."
"The male American goldfinch displayed its striking yellow and black plumage as it perched on the feeder."
chaffinch/tʃˈæfɪntʃ/noun
a small Eurasian and North African finch, the male of which has a rosy-brown breast and a blueish-gray cap
"The chaffinch builds a neat nest using moss and feathers."
"The chaffinch is one of the most common birds in Europe and has a distinctive cheerful song."
finch/ˈfɪntʃ/noun
a small songbird with a short beak that feeds on seeds and nuts and has different colors
"A small finch perched on the bird feeder."
"The small finch visited the bird feeder every morning cracking sunflower seeds with its delicate conical beak."
nightingale/ˈnaɪtɪŋɡeɪɫ/noun
a small European passerine bird with brownish plumage, the male of which has a beautiful nocturnal call
"The nightingale sings throughout the night during spring."
"The nightingale is famous for its beautiful melodic song often heard at night during springtime."
crossbill/ˈkɹɔsˌbɪɫ/noun
a finch-like bird characterized by its uniquely crossed beak, which enables it to extract seeds from conifer cones
"The crossbill uses its unusual beak to pry open pine cones."
"The crossbill has uniquely adapted beak tips that cross to extract seeds from pine cones easily."
siskin/ˈsɪskɪn/noun
a small finch with vibrant yellow-green plumage, known for its streaked wings, sharp bill, and melodious song
"The siskin is a small finch."
"The siskin is a small yellow green finch that often visits bird feeders during winter months."
warbler/ˈwɔɹbɫɝ/noun
a small, insect-eating songbird known for its melodious songs, vibrant plumage, and the habit of flitting among trees
"The warbler flits between branches catching small insects."
"The warbler is a small insectivorous bird that migrates long distances between continents every year."
Passerine Birds
titmouse/tˈɪtmaʊs/noun
a small songbird with a plump body and long tail, common in Eurasia and Africa, which feeds on insects
"A titmouse hangs upside down while searching for food."
"The titmouse is a small active bird that stores food in tree bark for later consumption."
swallow/ˈswɑloʊ/noun
a small fast-flying bird with pointed wings and tail and a short bill, which feeds on insects
"The swallow flew south."
"The swallow returned early in spring to rebuild its nest."
bluebird/ˈbɫuˌbɝd/noun
a mid-sized North American bird with blue plumage that feeds on wild fruits or insects
"Bluebirds return to the same nesting box every year."
"The bluebird's population declined dramatically due to competition from introduced house sparrows and starlings."
oriole/ˈɔɹiˌoʊɫ/noun
a small North American blackbird with black and orange plumage and a pointed bill
"The oriole weaves a hanging nest that looks like a sock."
"The oriole builds a hanging bag shaped nest woven from plant fibers at the tip of branches."
jay/ˈdʒeɪ/noun
a European passerine of the crow family with bright plumage which is blue on the wings
"The jay screeches loudly to warn other birds of danger."
"The jay is known for its intelligence and ability to mimic the calls of other bird species."
yellowhammer/jˈɛloʊhˌæmɚ/noun
a small Eurasian songbird of the bunting family, the male of which has yellow and brown plumage
"The yellowhammer has a distinctive yellow head and breast."
"The yellowhammer's bright yellow head and chest make it easy to identify in open countryside."
skylark/ˈskaɪˌɫɑɹk/noun
a common passerine with brownish plumage that is recognized by its call while flying
"The skylark rises high into the air while singing continuously."
"The skylark sings while hovering high in the air during its spectacular ascending flight display."
pipit/pˈɪpɪt/noun
a small passerine with a relatively long tail that has brown feathers
"The pipit walks on the ground rather than hopping like other birds."
"The pipit is a small brown bird that bobs its tail constantly while walking on the ground."
starling/ˈstɑɹɫɪŋ/noun
a mid-sized passerine with dark plumage that is common in Europe
"Starlings fly in large flocks."
"Starlings form enormous murmurations at dusk swirling in synchronized patterns before settling to roost."
blue jay/blˈuː dʒˈeɪ/noun
a North American songbird with a blue crest and blue feathers on the back
"The blue jay sang loudly."
"The striking blue jay perched on the branch, its crest held high."
mynah/mˈaɪnə/noun
a southern Asian passerine with dark plumage that can imitate human speech
"The pet mynah learned to say several words."
"The mynah bird learned to mimic the sound of the telephone ringing confusing the household for weeks."
wren/ˈɹɛn/noun
a small short-winged passerine with brown plumage and a distinct call
"The wren has short wings."
"The tiny wren, a passerine with short wings, perched on the branch and let out its distinct, cheerful call."
robin/ˈɹɑbən/, /ˈɹɑbɪn/noun
an American migratory songbird which is red on the breast and underpart
"The robin sang early in the morning."
"The robin pulled a long worm from the wet lawn and fed it to its hungry chicks."
crow/kroʊ/noun
a large bird with black feathers and a loud unpleasant call
"A crow sat on the fence."
"Crows are intelligent birds and often gather in large groups."
sparrow/ˈspɛɹoʊ/noun
a small common songbird with grayish brown plumage that feeds on seeds or insects
"A sparrow perched on the fence."
"The house sparrow built its nest under the roof eaves safely sheltered from rain and predators."
mockingbird/ˈmɑkɪŋˌbɝd/noun
a North American songbird with a long tail and grayish plumage that is known for its ability to copy the calls of other birds
"The mockingbird imitated the sound of a car alarm."
"The mockingbird imitated the songs of a dozen different bird species from its perch on the telephone wire."
jackdaw/dʒˈækdɔː/noun
a small black-and-gray passerine of the crow family that steals shiny objects
"Jackdaws are intelligent birds that recognize human faces."
"The jackdaw is a highly social bird that mates for life and remains with its partner."
bunting/ˈbəntɪŋ/noun
a bird belonging to the family Emberizidae, characterized by its stout bill, small body and a stubby tail
"The painted bunting displays brilliant blue red and green feathers."
"The bunting family includes brightly colored species like the indigo bunting and painted bunting."
Birds of Prey
owl/aʊl/noun
a type of bird with a round face, large eyes and a loud call that hunts smaller animals mainly during the night
"The owl is quiet."
"An owl watched from the tree during the night."
hawk/ˈhɔk/noun
a medium-sized bird of prey with wide rounded wings that can fly very fast and take the prey by surprise
"The hawk circles high above the field searching for movement."
"The hawk circles high overhead using its exceptional eyesight to spot small prey on the ground."
falcon/ˈfælkən/noun
a predatory fast-flying bird that can be trained for hunting
"The falcon soared above."
"The falcon dove from the sky at incredible speed striking its prey before the victim could react."
buzzard/ˈbəzɝd/noun
a large European bird of prey of the hawk family that is known for soaring the sky in circles
"Buzzards soar on thermal currents without flapping their wings."
"The buzzard soars on thermal updrafts scanning the ground below for dead animals to scavenge."
merlin/ˈmɝɫɪn/noun
a small bird of prey of the falcon family that is found in the northern hemisphere and feeds on small birds
"The merlin is a small but fierce falcon that hunts other birds."
"The merlin is a small fierce falcon that hunts other birds in fast low level flights."
harrier/ˈhɛɹiɝ/noun
a medium-sized bird of prey of the hawk family that flies low over the ground for hunting
"The harrier glides low over the marsh listening for prey."
"The harrier glides low over marshes listening for the sounds of small mammals in the grass."
kestrel/kˈɛstɹəl/noun
a small bird of prey of the falcon family that hovers mid-air while searching for food
"The kestrel hovered in the air."
"The kestrel hovers in midair facing into the wind while searching for voles and mice below."
condor/ˈkɑndɝ/noun
a large American bird of the vulture family with black plumage and a white bare neck that lives in mountains
"The Andean condor has one of the longest wingspans of any bird."
"The condor is one of the largest flying birds in the world with an enormous wingspan."
osprey/ˈɔspɹi/noun
a large bird of prey of the hawk family that feeds on fish and has long wings
"The osprey plunges feet first into the water to catch fish."
"The osprey catches fish by diving feet first into the water from heights of up to one hundred feet."
vulture/ˈvəɫtʃɝ/noun
a large bird of prey with a bare head, a long neck and weak claws that is famous for scavenging
"The vulture circled overhead."
"The vulture patiently waited for its next meal to appear on the savanna."
bald eagle/bˈɔːld ˈiːɡəl/noun
a large bird of prey originally from North America with white feathers on its head, neck and tail
"The bald eagle builds the largest nest of any North American bird."
"The bald eagle builds the largest nest of any North American bird sometimes weighing over two tons."
golden eagle/ɡˈoʊldən ˈiːɡəl/noun
a large North American bird of prey of the eagle family with golden feathers on its neck that lives in mountains
"Golden eagles hunt rabbits and hares in mountainous areas."
"The golden eagle hunts rabbits and hares by pursuing them at high speeds across open terrain."
harpy eagle/hˈɑːɹpi ˈiːɡəl/noun
a large, powerful bird of prey found in Central and South America, with a distinctive crest of feathers on its head
"The harpy eagle captures monkeys and sloths from the canopy."
"The harpy eagle is one of the most powerful raptors capable of catching monkeys and sloths."
goshawk/ˈɡɑsˌhɔk/noun
a medium-large bird of prey of the hawk family with a long tail and short wings
"The goshawk has long tail."
"The medium-large goshawk, a bird of prey, soared through the sky with its long tail providing excellent maneuverability."
peregrine/ˈpɛɹəˌɡɹin/noun
a grayish white bird of prey of the falcon family that inhabits mountains and coastal cliffs and can be trained for hunting
"The peregrine falcon dives at incredible speeds to strike prey."
"The peregrine falcon is the fastest animal on earth reaching speeds over two hundred miles per hour."
barn owl/bˈɑːɹn ˈaʊl/noun
an owl with a heart-shaped face and long legs that nests in tree holes and farm buildings
"The barn owl flies silently thanks to its soft feather edges."
"The barn owl has heart shaped face that helps it funnel sound to its exceptionally sensitive ears."
eagle owl/ˈiːɡəl ˈaʊl/noun
a very large Eurasian owl with two feathers that stick out near its ears, also known as horned owl
"The eagle owl has bright orange eyes and prominent ear tufts."
"The eagle owl is one of the largest owl species and can take prey as large as young foxes."
snowy owl/snˈoʊi ˈaʊl/noun
a large white owl with yellow eyes that hunts during the day and lives in Arctic regions
"The snowy owl is white."
"The snowy owl's white feathers provide excellent camouflage against Arctic snow during the long winter."
Pigeons and Doves
carrier pigeon/kˈæɹɪɚ pˈɪdʒən/noun
a rock dove with great homing abilities that is trained to carry messages
"Carrier pigeons delivered messages during the war."
"Carrier pigeons were used extensively during World War One to deliver military messages across enemy lines."
homing pigeon/hˈoʊmɪŋ pˈɪdʒən/noun
a domestic rock dove, also known as pigeon, trained to find its way home and is used for carrying messages
"The homing pigeon finds its way back from hundreds of miles away."
"Homing pigeons can find their way back to their loft from hundreds of miles away using magnetic fields."
wood pigeon/wˈʊd pˈɪdʒən/noun
a Eurasian bird of the pigeon family that lives in woodlands
"Wood pigeons peck at crops and cause damage to farmland."
"The wood pigeon is the largest pigeon species in Europe and has white neck patches."
dove/dʌv/noun
a bird that looks like a pigeon but smaller, the white one of which is the symbol of peace
"The dove landed gently."
"A dove flew across the garden and rested on the roof."
turtledove/ˈtɜrtldʌv/noun
a small Eurasian bird of the wild dove family with reddish brown plumage and a white-tipped tail
"Turtledoves are mentioned in many old songs and poems."
"The turtledove is a symbol of devoted love mentioned frequently in literature and poetry throughout history."
collared dove/kˈɑːlɚd dˈʌv/noun
a bird species with a distinctive black collar-like marking on its neck, native to Europe and Asia, and recognized for its soft cooing call
"The collared dove cooed softly."
"The collared dove spread rapidly across Europe during the twentieth century from its original range."
mourning dove/mˈoːɹnɪŋ dˈʌv/noun
a medium-sized bird with a soft grayish-brown plumage, known for its mournful cooing calls and graceful presence in North America
"The mourning dove sang a sad song."
"The mourning dove's melancholy cooing sound is a familiar background noise in suburban neighborhoods."
Freshwater Fish
bream/ˈbɹim/noun
a European freshwater fish with greenish-bronze scales, a deep body and flat sides, which is edible
"Bream feed near the bottom of lakes and slow rivers."
"The bream is a popular freshwater fish among anglers because it puts up a strong fight."
carp/ˈkɑɹp/noun
a type of freshwater fish belonging to the family Cyprinidae, typically with a deep body and barbels near the mouth
"The pond was filled with colorful koi carp."
"The common carp is considered an invasive species in many waterways because it uproots native plants."
goldfish/ˈɡoʊldˌfɪʃ/noun
a small red or orange fish often kept as a pet
"The goldfish swam in circles."
"Contrary to popular belief goldfish have a memory span of several months and can be trained to perform simple tricks for food rewards."
guppy/ˈɡəpi/noun
a small freshwater fish of tropical waters that is a live-bearer and is often kept in aquariums
"The guppy swims in tanks."
"The male guppy displays bright colors and elaborate tail fins to attract females for mating."
koi/kˈɔɪ/noun
a large ornamental fish of the carp family originated in Japan
"The beautiful koi swam gracefully in the garden pond."
"The colorful koi fish in the garden pond can live for over fifty years with proper care."
minnow/ˈmɪnoʊ/noun
a small Eurasian game fish of the cyprinoid family that lives in large shoals
"The children used a small minnow as bait."
"The tiny minnow swam in a large school making it harder for predators to target any single individual."
sturgeon/ˈstɝdʒən/, /ˈstɝdʒɪn/noun
a very large marine and freshwater fish originally from the Northern hemisphere that is commercially important for its caviar or flesh
"The sturgeon is large."
"The ancient sturgeon, a giant fish from the Northern hemisphere, is highly valued for its precious caviar."
lungfish/ˈɫəŋˌfɪʃ/noun
a freshwater bony fish with a long body that is able to breathe out of water
"The lungfish can survive out of water for long periods."
"The lungfish can survive out of water for several years by burrowing into mud and breathing air."
electric eel/ɪlˈɛktɹɪk ˈiːl/noun
a South American freshwater knifefish that is able to create an electric charge in order to kill its prey or find its way
"The electric eel can generate a powerful shock."
"Despite its name the electric eel is actually a type of knifefish not a true eel species."
lamprey/ˈɫæmpɹi/noun
a freshwater eel-like aquatic vertebrate that has a sucking mouth and no jaws, which sucks the blood out of its prey
"The lamprey attaches to other fish and sucks their blood."
"The lamprey is a jawless fish that attaches to other fish with its sucker like mouth."
piranha/pɪˈɹænhə/noun
a small carnivorous freshwater fish of the South American origin that has sharp teeth and forms schools
"The piranha is known for its sharp teeth."
"Piranhas have razor sharp teeth that interlock like scissors making them efficient at tearing flesh from prey."
tench/ˈtɛntʃ/noun
a European freshwater fish of the minnow family that can survive in waters with low oxygen levels
"The tench lives in ponds."
"The hardy tench, a European freshwater fish, thrives even in oxygen-poor waters where other species cannot survive."
Marine Animals
cuttlefish/ˈkətəɫˌfɪʃ/noun
a marine mollusk with a broad body, internal shell, and the ability to rapidly change color and texture
"Cuttlefish change their skin color and texture in milliseconds."
"The cuttlefish can change its skin color and texture within milliseconds to blend with its surroundings."
jellyfish/ˈdʒɛɫiˌfɪʃ/noun
a sea creature that has a bell-shaped body, which is gelatinous and transparent, long thin tentacles and a poisonous sting
"She got a mild sting from a jellyfish while swimming."
"The jellyfish's tentacles contain thousands of stinging cells that can paralyze small fish and injure humans."
a large marine creature like jellyfish that lives in tropical and subtropical waters and has a poisonous sting
"The Portuguese man of war stings swimmers."
"The Portuguese man of war is not a jellyfish but a colony of specialized individual organisms working together."
octopus/ˈɑktəˌpʊs/noun
a sea creature with eight, long arms and a soft round body with no internal shell
"The octopus changed color."
"The octopus has three hearts and blue blood because its circulatory system uses copper based hemocyanin instead of iron based hemoglobin for transporting oxygen."
plankton/ˈpɫæŋktən/noun
the microscopic organisms floating in the sea or fresh water on which larger animals feed
"Whales feed by filtering plankton from the water."
"Whales consume massive quantities of plankton by filtering seawater through the baleen plates in their enormous mouths."
sea anemone/sˈiː ɐnˈɛməni/noun
a sea polyp that is predatory and resembles a flower, having bright colors
"Sea anemones look like flowers but sting and eat small fish."
"The sea anemone traps small fish with its stinging tentacles and pulls them into its mouth."
seahorse/sˈiːhɔːɹs/noun
a small marine fish with an upright posture, a horse-like head and a curled tail
"The seahorse swam slowly."
"The delicate seahorse clung to the seaweed with its prehensile tail."
starfish/ˈstɑɹˌfɪʃ/noun
an echinoderm that has five arms arranged in the form of a star and feeds on mollusks
"We found a bright orange starfish on the beach."
"The starfish can regenerate lost arms over time making it remarkably resilient against predators that attack its limbs."
sea urchin/sˈiː ˈɜːtʃɪn/noun
a small marine animal that is covered with spines and has a round shell, harvested for food
"Sea urchin spines."
"Sea urchins have round bodies covered in movable spines."
Shellfish and Mollusks
abalone/ˌæbəˈɫoʊni/noun
a gastropod of warm seas that is edible and contains mother-of-pearl
"Abalone shells have a beautiful iridescent inner lining."
"Abalone shells are prized for their beautiful iridescent inner lining called mother of pearl."
barnacle/ˈbɑɹnəkəɫ/noun
a marine arthropod with an external shell that attaches itself to a surface and feeds on particles that are in the water
"Barnacle on rock."
"The small barnacle attached itself firmly to the submerged rock, filtering tiny food particles from the passing tide."
cockle/ˈkɑkəɫ/noun
a marine bivalve which is edible and has ribbed shells, living in sand
"Cockles have ribbed shells."
"The edible cockle, a marine bivalve with distinctive ribbed shells, burrows into the sand on the seabed."
conch/ˈkɑntʃ/, /ˈkɑŋk/noun
a large marine mollusk with a spiral-shaped shell, often used for decorative purposes and prized for its meat in various cuisines
"The conch has a shell."
"The large conch, a marine mollusk with a beautiful spiral shell, is a delicacy in many island cuisines."
crayfish/ˈkɹeɪfɪʃ/noun
a large nocturnal decapod that lives in fresh waters and resembles a lobster
"Crayfish hide under rocks during the day and come out at night."
"The crayfish lives in freshwater streams and rivers where it hides under rocks during daylight hours."
hermit crab/hˈɜːmɪt kɹˈæb/noun
a small marine decapod that lives in the empty shells of gastropods
"Hermit crabs occupy empty snail shells to protect their soft abdomens."
"The hermit crab protects its soft abdomen by living inside empty snail shells that it carries."
krill/ˈkɹɪɫ/noun
a tiny Antarctic crustacean that resembles a shrimp and is the main food for whales
"Krill form huge swarms and are the main food for many whales."
"Krill are tiny shrimp like crustaceans that form the primary food source for baleen whales."
langoustine/lˈæŋɡaʊstˌiːn/noun
a small European pinkish orange lobster that is cooked as food
"Langoustines are prized as seafood and fetch high prices."
"The langoustine is a slim pink crustacean similar to lobster but much smaller and more delicate in flavor."
limpet/lˈɪmpɪt/noun
a small marine mollusk of the gastropod family that sticks tightly to the rocks
"Limpets cling so tightly to rocks that waves cannot wash them away."
"The limpet clings tightly to rocks using muscular foot and returns to the same spot after feeding."
mussel/ˈməsəɫ/noun
a type of bivalve mollusk, living in marine or freshwater environments, often attached to rocks or other surfaces
"The mussel attaches to rocks."
"Mussels attach themselves to rocks using strong threads called byssus and filter feed on plankton."
scallop/ˈskæɫəp/noun
a marine mollusk with a fan-shaped shell, known for its edible muscle and ability to swim by clapping its shell
"Scallops have fan shells."
"The delicate scallop, a marine mollusk with a fan-shaped shell, can propel itself through the water."
snail/sneɪl/noun
a small, soft creature which carries a hard shell on its back and moves very slowly
"A snail moved slowly."
"The snail moved slowly across the garden path leaving a trail of slime behind that helped it glide smoothly over rough surfaces."
nautilus/ˈnɔtəɫəs/noun
a cephalopod mollusk originally from Pacific and Indian Oceans with a shell that is pearly on the inside
"The nautilus has a spiral shell divided into chambers for buoyancy control."
"The nautilus is a living fossil whose spiral shell contains gas filled chambers for buoyancy control."
slug/ˈsɫəɡ/noun
a small mollusk that moves very slowly and closely resembles a snail without shell
"The slug has no shell."
"The slow-moving slug, a shell-less mollusk, leaves a glistening trail as it inches across the damp garden soil."
Other Reptiles
Komodo dragon/kəmˈoʊdoʊ dɹˈæɡən/noun
the largest living lizard with a long venomous tongue and rough skin, endemic to Indonesian Islands
"Komodo dragons have bacteria in their saliva that causes blood poisoning."
"The Komodo dragon has bacteria laden saliva that causes fatal septicemia in its prey within days."
dinosaur/ˈdaɪnəˌsɔɹ/noun
a now extinct group of reptiles that used to live in Mesozoic era, which had enormous bodies and were mainly terrestrial
"Enormous dinosaur bones."
"Dinosaurs dominated terrestrial ecosystems for over one hundred sixty million years before becoming extinct."
alligator/ˈælɪˌɡeɪtɚ/noun
a large animal living in both water and on land which has strong jaws, a long tail, and sharp teeth
"The alligator swam slowly."
"The alligator floated motionless in the swamp with only its eyes and nostrils visible making it difficult for prey to detect the predator."
lizard/ˈlɪzɚd/noun
a group of animals with a long body and tail, a rough skin and two pairs of short legs
"A lizard sat on the wall."
"Lizards can detach their tails when grabbed by a predator allowing them to escape while the detached tail continues to wiggle and distract the attacker."
skink/skˈɪŋk/noun
an insectivorous lizard with short limbs and an elongated body that inhabits tropical regions
"The skink lost its tail."
"The skink is a smooth scaled lizard that can shed its tail to escape from predators."
gecko/ˈɡɛkoʊ/noun
a small nocturnal reptile of the lizard family that feeds on insects and is found in warm climates
"Geckos climb smooth surfaces using microscopic hairs on their feet."
"The gecko can walk up smooth surfaces and even across ceilings using microscopic hairs on its toes."
crocodile/ˈkrɑːkəˌdaɪl/noun
a large reptile with very big jaws, sharp teeth, short legs, and a hard skin and long tail that lives in rivers and lakes in warmer regions
"The crocodile lay still in the water."
"The crocodile lay silently in the water with only its eyes and nostrils visible above the surface."
iguana/aɪˈɡwɑnə/noun
a large herbivorous reptilian of the lizard family with a dorsal crest, which lives in tropical areas of America
"The iguana basks in the sun to raise its body temperature."
"The marine iguana is the only lizard that forages in the ocean feeding on underwater algae."
caiman/kˈeɪmən/noun
a semi-aquatic reptile similar to an alligator with an armored underpart, originally from North and South America
"The caiman swam in the river."
"The caiman is a smaller relative of the alligator that lives in Central and South American rivers."
slowworm/ˈsloʊwɝːm/noun
a legless lizard with a long cylindrical body, smooth scales, and a non-aggressive nature
"The slowworm is actually a legless lizard not a snake at all."
"The slowworm is actually a legless lizard not a snake and can blink its eyelids."
tuatara/tˌuːɐtˈɑːɹɹə/noun
a reptile endemic to New Zealand, known for its unique physical features and long lifespan
"Tuatara have a third eye on the top of their head."
"The tuatara is a reptile endemic to New Zealand that has a third eye on top of its head."
flying lizard/flˈaɪɪŋ lˈɪzɚd/noun
a reptile capable of gliding through the air using elongated ribs that support their wing-like structures
"Flying lizards spread their ribs to glide between trees."
"The flying lizard glides between trees using extendable ribs that support wing like flaps of skin."
frilled lizard/fɹˈɪld lˈɪzɚd/noun
a reptile characterized by its large, fringed neck flap, which it can raise as a display to intimidate predators or potential threats
"The frilled lizard opens its colorful neck frill to scare enemies."
"The frilled lizard opens its enormous frill around its neck to scare away predators when threatened."
giant tortoise/dʒˈaɪənt tˈɔːɹɾəs/noun
a large, long-lived reptile with a sturdy shell, short legs, and a herbivorous diet
"Giant tortoises can live for more than one hundred fifty years."
"The giant tortoise can live for over one hundred fifty years making it one of the longest living vertebrates."
green turtle/ɡɹˈiːn tˈɜːɾəl/noun
a species of sea turtle characterized by its greenish-colored fat and cartilage, known for its long migrations and herbivorous diet
"The green turtle ate seagrass."
"The green turtle returns to the exact beach where it was born to lay its own eggs."
bearded dragon/bˈɪɹdᵻd dɹˈæɡən/noun
a popular species of lizard native to Australia, known for its docile nature and distinctive beard-like projection under the chin
"The bearded dragon basked in the sun."
"The bearded dragon is a popular pet lizard that puffs out its spiky throat when threatened."
tortoise/ˈtɔrtəs/noun
a type of turtle that lives on land and moves very slowly, with a large shell on its back
"The tortoise moved slowly."
"The tortoise lived for many years."
turtle/ˈtɝtəl/noun
an animal that has a hard shell around its body and lives mainly in water
"The turtle moved slowly."
"The sea turtle returned to the exact beach where it was born decades earlier to lay its own eggs guided by the Earth magnetic field."
leatherback/ˈɫɛðɝˌbæk/noun
the largest living sea turtle with a thick leathery shell that migrates in northern hemisphere
"Leatherback turtles can dive deeper than three thousand feet."
"The leatherback turtle is the largest sea turtle and can dive deeper than any other reptile."
Amphibians
bullfrog/ˈbʊlˌfrɑːɡ/noun
a large frog originated in North America that has a loud croak
"The bullfrog's deep call sounds like a bull mooing in the distance."
"The bullfrog's deep resonant call can be heard from half a mile away across still water."
toad/ˈtoʊd/noun
any kind of frog that has a dry leathery skin, which is more terrestrial and has shorter hind limbs
"Toads have dry warty skin while frogs have smooth moist skin."
"The toad has dry warty skin and parotoid glands that secrete a mild toxin as defense."
frog/frɑːɡ/noun
a small green animal with smooth skin, long legs for jumping and no tail, that lives both in water and on land
"The frog jumped into the pond."
"The frog's permeable skin absorbs water and oxygen but also makes it highly sensitive to pollution."
axolotl/ˈæksəlˌɑːɾəl/noun
a neotenic aquatic salamander native to Mexico, known for its unique appearance and critical status as an endangered species
"The axolotl can regrow its limbs."
"The axolotl retains its juvenile gills throughout its life and can regenerate lost body parts."
cane toad/kˈeɪn tˈoʊd/noun
a toxic toad species from South and Central America, introduced to control pests in various parts of the world, with harmful effects on local ecosystems
"Cane toads were introduced to Australia and became a major pest."
"The cane toad was introduced to Australia to control pests but became a devastating invasive species."
leopard frog/lˈɛpɚd fɹˈɑːɡ/noun
a frog species with a spotted pattern resembling that of a leopard, known for its jumping ability and preference for freshwater habitats
"The leopard frog leaps into the water when approached."
"The leopard frog gets its name from the distinctive dark spots scattered across its green back."
mudpuppy/mˈʌd pˈʌpi/noun
a species of aquatic salamander with a stout body, external gills, and paddle-like feet
"A mudpuppy lives in water."
"The mudpuppy is a fully aquatic salamander that retains its external gills into adulthood permanently."
tree frog/tɹˈiː fɹˈɑːɡ/noun
a small, arboreal amphibian with specialized toe pads for climbing trees, known for its vibrant colors and patterns
"The tree frog climbed the branch."
"The tree frog has adhesive discs on its toes that allow it to climb smooth vertical surfaces easily."
newt/ˈnut/noun
a semi-aquatic amphibian related to salamanders that is cold-blooded and has a long tail
"The rough-skinned newt produces a powerful toxin in its skin."
"The newt lives in water during breeding season but spends the rest of the year on land."
salamander/ˌsæɫəˈmændɝ/noun
any ground-dwelling amphibian with a long body and tail that has a soft moist skin
"The salamander lives under logs."
"The salamander can regenerate entire limbs including bones muscles and nerves without scarring."
Worms
earthworm/ˈɝθˌwɝm/noun
a terrestrial invertebrate of the annelid family that moves through the soil and feeds on organic matter
"Earthworms eat dead leaves and improve soil quality."
"The earthworm aerates soil as it burrows which improves water infiltration and root growth for plants."
centipede/ˈsɛntɪˌpid/noun
an arthropod with many pairs of legs and a pair of poisonous fangs
"Long centipede crawled."
"A long centipede crawled quickly across the bathroom floor last night suddenly."
flatworm/ˈfɫætwɝm/noun
a simple worm with a soft unsegmented body that is flat, some types of which are parasitic
"Some flatworms are parasites that live inside the bodies of other animals."
"The flatworm is a simple invertebrate that can regenerate into a complete organism from just a fragment."
millipede/mˈɪlɪpˌiːd/noun
any arthropod of the diplopod family with a segmented body and many pairs of legs
"Millipedes curl into a tight coil when they feel threatened."
"The millipede has two pairs of legs per body segment and curls into a tight coil when disturbed."
tapeworm/ˈteɪpwɝm/noun
a parasitic flatworm that is shaped like a ribbon and lives in the intestines of mammals
"Intestinal tapeworm treated."
"The doctor treated the patient for an intestinal tapeworm infection last month successfully."
leech/ˈɫitʃ/noun
a parasitic or predatory worm of the annelid family that lives in freshwaters and drinks blood by attaching itself to its prey
"Blood sucking leech attached."
"The blood sucking leech attached itself to the swimmer's leg in the lake yesterday."
caterpillar/ˈkætɚˌpɪlɚ/noun
a long and small wormlike larva of a moth or butterfly that has many limbs
"The caterpillar ate a leaf before forming its chrysalis."
"The caterpillar ate constantly for two weeks before forming a chrysalis and beginning its metamorphosis into a butterfly."
hookworm/ˈhʊkwɝm/noun
a parasitic roundworm with strong hooks or plates that attaches to an animal or a human's intestines and causes an infection or disease
"The hookworm infected the dog's intestines."
"The hookworm attaches to the intestinal wall of its host and feeds on blood causing anemia."
glowworm/ˈɡloʊwɜːrm/noun
a type of insect, the female of which emits light through bioluminescence, especially a firefly
"The glowworm produces light to attract mates on dark nights."
"The glowworm produces light through bioluminescence to attract mates and lure small prey insects."
Arachnids
tarantula/təˈɹæntʃəɫə/, /təˈɹæntʃuɫə/noun
a large hairy spider originated in warm regions with venomous fangs that does not spin any webs or threads
"Tarantulas shed their outer skin and leave behind a perfect empty shell."
"The tarantula is a large hairy spider that flicks urticating hairs from its abdomen as defense."
black widow/blˈæk wˈɪdoʊ/noun
a poisonous spider, the female of which has a red mark on its underside and is known to eat the male
"The female black widow is much larger than the male."
"The black widow spider's venom is fifteen times more toxic than that of a rattlesnake."
scorpion/ˈskɔɹpiən/noun
a venomous arachnid with two pincers and a curved tail that inhabits hot countries
"The scorpion hid under a rock."
"The scorpion glowed under ultraviolet light which helped researchers find and study the venomous creatures at night."
brown recluse/bɹˈaʊn ɹˈɛkluːs/noun
a venomous spider originated in North America that has a brown violin-shaped mark on its head and a necrotic toxin
"The brown recluse spider is venomous."
"The brown recluse spider has a distinctive violin shaped marking on its back near the eyes."
harvestman/hˈɑːɹvɪstmən/noun
an invertebrate of arachnid order with long slender legs that lives in moist shady environments
"A harvestman has long legs."
"The harvestman is not a true spider because it has no venom glands and cannot produce silk."
wolf spider/wˈʊlf spˈaɪdɚ/noun
a solitary and predatory arachnid that hunts without spinning webs and is known for its agile hunting behavior
"The wolf spider hunts without a web."
"The wolf spider carries her egg sac attached to her spinnerets and then carries the hatchlings on her back."
garden spider/ɡˈɑːɹdən spˈaɪdɚ/noun
a type of arachnid belonging to the orb-weaver family, characterized by its ability to spin intricate circular webs in outdoor spaces
"The garden spider rebuilds its web every morning before dawn."
"The garden spider weaves an intricate spiral orb web that it rebuilds daily to catch flying insects."
tick/ˈtɪk/noun
any small parasitic arachnid that feeds on the blood of warm-blooded vertebrates
"Ticks wait on grass tips and climb onto passing animals to feed."
"Ticks attach themselves to hosts and can transmit serious diseases including Lyme disease and Rocky Mountain spotted fever."
harvest mite/hˈɑːɹvɪst mˈaɪt/noun
a small arachnid that infests the skin of animals and humans during its larval stage
"Harvest mites cause intense itching after their larvae feed on skin."
"The harvest mite larva feeds on skin cells of humans and animals causing intense itching and irritation."
spider mite/spˈaɪdɚ mˈaɪt/noun
a tiny arachnid that infests plants, feeding on their tissues and causing damage
"Spider mites are tiny pests that damage houseplants and garden crops."
"The spider mite is a tiny agricultural pest that spins fine webs on the undersides of plant leaves."
huntsman spider/hˈʌntsmən spˈaɪdɚ/noun
a large and fast spider species found in various parts of the world, known for its speed, agility, and non-toxic bite to humans
"Huntsman spiders flatten their bodies to squeeze into narrow spaces."
"The huntsman spider is large and fast moving but its bite is relatively harmless to humans."
Bees and Ants
bee/biː/noun
a black and yellow insect that collects nectar and produces wax and honey, which can fly and sting
"A bee landed on the flower."
"Bees make honey in the hive and protect the queen."
honeybee/ˈhəniˌbi/noun
a social insect of the Apis genus, known for its production of honey and its important role in pollination
"Honeybees communicate the location of flowers by performing a waggle dance."
"The honeybee performs a waggle dance to communicate the location of food sources to other bees in the hive."
bumblebee/ˈbʌmbəlˌbi:/noun
a large, fuzzy bee that is known for its black and yellow stripes and its important role in pollinating flowers
"Bumblebees can fly at temperatures too cold for other bees."
"Bumblebees can fly in colder temperatures than honeybees because they generate heat by vibrating their flight muscles."
killer bee/kˈɪlɚ bˈiː/noun
a highly aggressive hybrid bee species with a reputation for its intense defensive behavior and potentially dangerous sting
"Killer bees defend their hive more aggressively than regular honeybees."
"The killer bee is an Africanized honeybee that aggressively defends its colony and pursues intruders over long distances."
potter bee/pˈɑːɾɚ bˈiː/noun
a solitary bee species that constructs nests using mud or clay and plays a vital role in pollination
"The potter bee builds a clay nest."
"The potter bee builds small vase shaped nests from mud attached to twigs or stone surfaces."
worker bee/wˈɜːkɚ bˈiː/noun
a female bee in a colony that is responsible for various tasks such as foraging and nest maintenance
"Worker bees are all female and do every job inside the hive."
"The worker bee is female and performs all the foraging nursing and cleaning tasks within the hive."
ant/ænt/noun
a small insect that lives in a colony
"An ant crawled across the table."
"An ant can carry up to fifty times its own body weight which would be like a human lifting a truck without any mechanical assistance."
fire ant/fˈaɪɚɹ ˈænt/noun
a stinging ant that is reddish-brown in color, native to tropical regions of America
"Fire ants swarm and sting any animal that disturbs their mound."
"The fire ant bites to grip its victim then stings repeatedly injecting a painful alkaloid venom."
carpenter ant/kˈɑːɹpəntɚɹ ˈænt/noun
a large ant species known for its ability to excavate wood and create nests inside decaying or moist wood structures
"Carpenter ants damage wooden structures."
"The carpenter ant excavates smooth tunnels inside wood but does not eat the wood itself."
wood ant/wˈʊd ˈænt/noun
a species of ant found in wooded areas, known for building large nests and playing a crucial role in the decomposition process of dead wood
"Wood ants spray formic acid to defend their large mound nests."
"The wood ant builds large thatched mounds that can be over a meter high and contain complex tunnel systems."
wasp/wɑsp/noun
a winged insect with a powerful sting and black and yellow colors
"A wasp buzzed nearby."
"The wasp circled the picnic table and then flew off."
queen bee/kwˈiːn bˈiː/noun
the reproductive female bee in a colony, responsible for laying eggs and maintaining the unity and productivity of the hive
"The queen bee lays all the eggs."
"The queen bee can lay up to two thousand eggs per day during peak spring and summer months."
hornet/ˈhɔɹnɪt/noun
a large winged insect of the wasp family that builds papery nests in trees
"Hornets build paper nests from chewed wood fibers and saliva."
"The hornet is larger than wasps and its sting is more painful though less toxic than some smaller species."
army ant/ˈɑːɹmi ˈænt/noun
a species of ant known for its nomadic behavior, large swarms, and aggressive predatory tactics
"Army ants travel in large groups."
"The army ant does not build a permanent nest but instead forms temporary bivouacs with their own bodies."
cicada killer/sᵻkˈeɪdə kˈɪlɚ/noun
a species of solitary wasp that hunts cicadas as a food source for its offspring
"The female cicada killer paralyzes cicadas and buries them for her young."
"The cicada killer is a large solitary wasp that hunts cicadas to provision its underground nests."
yellow jacket/jˈɛloʊ dʒˈækɪt/noun
a type of wasp with a yellow and black striped abdomen, known for its aggressive behavior and painful sting
"Yellow jackets become aggressive in late summer when their colony is largest."
"The yellow jacket becomes aggressive in late summer when its colony size peaks and food becomes scarce."
Flies and Mosquitos
fruit fly/fɹˈuːt flˈaɪ/noun
a small insect commonly found near ripe or decaying fruits and vegetables
"Fruit flies are very small."
"The fruit fly is a common laboratory model organism because it reproduces quickly and has simple genetics."
tsetse fly/tsˈɛtsi flˈaɪ/noun
a blood-sucking insect found in sub-Saharan Africa that transmits the parasite responsible for sleeping sickness
"Tsetse flies transmit sleeping sickness to humans and animals."
"The tsetse fly transmits sleeping sickness to humans and a similar disease to livestock across Africa."
gadfly/ˈɡædˌfɫaɪ/noun
a large biting fly that annoys and harasses animals, often provoking them to move or react through its persistent biting
"A gadfly bites the horse."
"The gadfly persistently annoys livestock by hovering around their eyes and ears to lay eggs."
horsefly/hˈɔːɹsflaɪ/noun
a large fly characterized by its strong bite and preference for feeding on the blood of mammals
"The horsefly's painful bite leaves a small wound that continues to bleed."
"The female horsefly uses scissor like mouthparts to slice skin and feed on the blood of mammals."
botfly/ˈbɑtˌfɫaɪ/noun
a parasitic insect that lays its eggs on the skin of mammals
"Botfly larvae develop under the skin of mammals including humans."
"The botfly larva develops beneath the skin of its host creating a painful swelling with a breathing hole."
blowfly/blˈoʊflaɪ/noun
a type of fly characterized by its metallic coloration and its propensity for laying eggs on decaying organic matter
"The blowfly is metallic."
"The iridescent blowfly, with its metallic sheen, is often seen near decaying matter where it lays its eggs."
housefly/hˈaʊsflaɪ/noun
a small, grayish-black insect known for its rapid flight, buzzing sound, and ability to transmit diseases by contaminating food and surfaces
"The housefly buzzed around me."
"The housefly regurgitates digestive juices onto solid food to liquefy it before sucking up the nutrients."
mosquito/məˈskiːtoʊ/noun
a flying insect that bites people and animals and feeds on their blood
"A mosquito bit my arm."
"Mosquitoes are annoying in summer and can disturb sleep."
midge/ˈmɪdʒ/noun
a very small dipteran fly that lives in swarms near water and bites animals or humans
"Swarming midges appear above water surfaces at dusk during summer."
"The tiny dipteran flies, known as midges, formed swarms near the water and began to bite the unsuspecting picnickers."
firefly/ˈfaɪɚˌflaɪ/noun
a flying insect with a soft body and a tail that shines in the dark
"A firefly glowed in the dark."
"Fireflies shine beautifully at night and attract attention easily."
greenfly/ɡɹˈiːnflaɪ/noun
a small green aphid that infests gardens and crops
"Greenfly suck sap from plants and excrete sticky honeydew on leaves."
"The greenfly is an aphid that sucks sap from plants and can reproduce rapidly without mating."
lacewing/lˈeɪsuːɪŋ/noun
any slender insect of the Neuroptera order that has clear net wings, the larvae of which kill pests
"Lacewing larvae eat huge numbers of aphids and other soft-bodied pests."
"The lacewing larva is a voracious predator of aphids and is often used for biological pest control."
Butterflies and Moths
peacock butterfly/pˈiːkɑːk bˈʌɾɚflˌaɪ/noun
a striking insect with vivid patterns on its wings, commonly found in meadows and woodlands
"The peacock butterfly has eye spots."
"The peacock butterfly has large eyespots on its wings that startle potential predators when suddenly revealed."
monarch butterfly/mˈɑːnɚk bˈʌɾɚflˌaɪ/noun
a magnificent insect with vibrant orange wings adorned with black veins and white spots, known for its incredible long-distance migration
"Monarch butterflies migrate thousands of miles to avoid cold weather."
"The monarch butterfly migrates thousands of miles from North America to central Mexico each year."
cabbage butterfly/kˈæbɪdʒ bˈʌɾɚflˌaɪ/noun
a widespread insect with white or creamy wings, black spots, and a preference for cabbage-family plants
"Cabbage white butterflies lay eggs on cabbage and broccoli plants."
"The cabbage butterfly lays its eggs on cruciferous plants and its caterpillars are garden pests."
tiger moth/tˈaɪɡɚ mˈɑːθ/noun
a type of moth known for its vibrant wing patterns and a defense mechanism of aposematism to ward off predators
"Tiger moth caterpillars are called woolly bears and have stiff bristles."
"The tiger moth produces ultrasonic clicks that jam the echolocation of hunting bats."
gypsy moth/dʒˈɪpsi mˈɑːθ/noun
an invasive insect notorious for its defoliating behavior and significant damage to forests and trees
"Gypsy moth caterpillars defoliate entire forests during outbreaks."
"The gypsy moth caterpillar defoliates entire forests during outbreaks and is considered a serious invasive pest."
clothes moth/klˈoʊðz mˈɑːθ/noun
a small insect that can cause damage to textiles by feeding on natural fibers
"Clothes moth larvae eat wool silk and other natural fibers."
"The clothes moth larva feeds on natural fibers like wool and silk causing damage to stored garments."
brimstone/ˈbɹɪmstoʊn/noun
a butterfly with bright yellow or greenish wings found in Europe and Asia that feeds on nectar from buckthorn and other flowers
"The brimstone butterfly has yellow wings."
"The brimstone butterfly's pale yellow wings resemble leaves allowing it to hide among vegetation effectively."
large white/lˈɑːɹdʒ wˈaɪt/noun
a notable butterfly species characterized by its impressive size, white wings, and black or gray markings
"Large white butterfly caterpillars destroy cabbage crops quickly."
"The large white butterfly is a common garden pest whose caterpillars devour cabbage and other brassica leaves."
orange-tip/ˈɔːɹɪndʒtˈɪp/noun
a butterfly species found in Europe and Asia, with white wings and orange tips on the males
"The male orange-tip butterfly has bright orange wing tips for attracting mates."
"The male orange tip butterfly has bright orange wing tips that are visible during its rapid spring flight."
painted lady/pˈeɪntᵻd lˈeɪdi/noun
a species of butterfly with a distinctive orange and black pattern on its wings
"The painted lady butterfly migrated south."
"The painted lady butterfly undertakes an incredible multigenerational migration from Africa to the Arctic Circle."
red admiral/ɹˈɛd ˈædmɜːɹəl/noun
a mid-sized butterfly with black wings and red and white markings common in Europe and America
"The red admiral lands on overripe fruit and tree sap for food."
"The red admiral butterfly has striking black wings with red bands and white spots that warn predators."
swallowtail/swˈɑːloʊtˌeɪl/noun
a term used to refer to several species of butterflies known for their distinctive, elongated hindwings
"The swallowtail butterfly has distinctive tails on its hind wings."
"The swallowtail butterfly has distinctive tail like extensions on its hind wings that resemble those of swallows."
Beetles and Cockroaches
cockroach/ˈkɑːkˌroʊtʃ/noun
a large brown insect with a broad body, wings, long legs and antennae, considered a household pest
"A cockroach ran under the table."
"Cockroaches are hard to kill and often hide in dark places."
beetle/ˈbiːtl/noun
a large, typically black insect, which has a hard case on its back that covers its wings
"A beetle crawled across the floor."
"The beetle was under the leaf when I looked closely."
weevil/ˈwivəɫ/noun
a small beetle with a long snout that feeds on seeds and grains, destroying crops
"The weevil damaged the stored grain."
"The weevil is a beetle with an elongated snout that it uses to bore into nuts and grains."
ladybug/ˈleɪdiˌbʌɡ/noun
a small flying insect which is usually red with black spots
"A ladybug was on the leaf."
"The ladybug landed gently on her arm and she watched it crawl across her skin."
stag beetle/stˈæɡ bˈiːɾəl/noun
a large beetle, the male of which has jaws that resemble the antlers of a stag
"Male stag beetles fight each other using their enlarged mandibles."
"The male stag beetle has enormous mandibles that resemble deer antlers used for wrestling rivals."
rhinoceros beetle/ɹaɪnˈɑːsɚɹəs bˈiːɾəl/noun
a large insect with horn-like protrusions on the head of males, known for its robust size and distinctive appearance
"Rhinoceros beetles have horns on their heads that males use in battles."
"The rhinoceros beetle gets its name from the large horn on its head that males use for fighting."
bombardier beetle/bˌɑːmbɚdˈɪɹ bˈiːɾəl/noun
an insect known for its ability to release a volatile chemical spray from its abdomen as a defense mechanism
"Bombardier beetles spray hot toxic chemicals from their abdomen when threatened."
"The bombardier beetle sprays boiling hot toxic chemicals from its abdomen when threatened by predators."
carpet beetle/kˈɑːɹpɪt bˈiːɾəl/noun
a small insect that can infest and damage carpets, clothing, and other materials
"Carpet beetle larvae damage carpets furniture and clothing made from animal fibers."
"The carpet beetle larva feeds on natural fibers causing damage to carpets clothing and upholstered furniture."
click beetle/klˈɪk bˈiːɾəl/noun
a type of insect characterized by its ability to produce a clicking sound and perform a sudden, acrobatic jump when flipped onto its back
"The click beetle jumps with a clicking sound."
"The click beetle flips itself into the air with an audible click when it lands on its back."
dung beetle/dˈʌŋ bˈiːɾəl/noun
a beetle species that feeds on and utilizes animal feces for nourishment and reproduction
"Dung beetles roll animal droppings into balls and bury them as food."
"The dung beetle rolls animal waste into balls and buries them as food for its larvae."
Japanese beetle/dʒˌæpənˈiːz bˈiːɾəl/noun
a highly invasive insect with a metallic green and bronze body, known for its destructive feeding habits on a variety of plants
"The Japanese beetle eats plant leaves."
"The Japanese beetle is an invasive pest that skeletonizes the leaves of over three hundred plant species."
longicorn beetle/lˈɑːŋɡɪkˌɔːɹn bˈiːɾəl/noun
a type of beetle with long antennae and a diverse range of patterns and colors
"Longicorn beetles have antennae that are often longer than their entire bodies."
"The longicorn beetle has extremely long antennae that can exceed the length of its own body."
scarab/skˈæɹæb/noun
a large black dung beetle considered to be holy by ancient Egyptians
"The ancient Egyptians worshipped the scarab beetle as a symbol of rebirth."
"The scarab beetle was sacred to ancient Egyptians who associated it with the sun god Khepri."
earwig/ˈɪɹwɪɡ/noun
a small brown insect with a pair of pincer-like appendages, the female of which looks after the young until they are grown
"The earwig has pincers on its tail."
"The earwig has distinctive pincers on its abdomen but does not actually crawl into human ears despite the myth."
ant lion/ˈænt lˈaɪən/noun
a small winged insect that preys on other insects, especially ants, by digging holes in the sand
"The ant lion digs pits to trap ants."
"The ant lion digs a conical pit in sandy soil and waits at the bottom for ants to fall in."
Grasshoppers and Dragonflies
dragonfly/ˈdræɡənˌflaɪ/noun
a flying insect with a pair of colorful wings, mostly found around rivers
"The dragonfly hovered above water."
"A dragonfly darted quickly over the pond in the sunlight."
mantis/ˈmæntɪs/noun
a large usually green predatory insect that catches its prey by its forelimbs, which holds motionless in a prayer state
"The praying mantis waited patiently for its prey."
"The praying mantis remained perfectly still until an unsuspecting fly landed within striking distance of its spiked forelegs."
praying mantis/pɹˈeɪɪŋ mˈæntiz/noun
a large insect with long forelimbs
"The praying mantis eats other insects."
"The praying mantis holds its front legs folded as if in prayer while waiting to ambush prey."
damselfly/dˈæmsɪlflˌaɪ/noun
a slender winged insect similar to but smaller than a dragonfly, which folds its wings above its body while at rest
"The damselfly rests with its wings folded together above its body."
"The damselfly rests with its wings folded together above its body unlike the dragonfly which holds wings out flat."
mayfly/mˈeɪflaɪ/noun
an aquatic insect with transparent wings and a long tail, the nymph of which is herbivorous
"The mayfly lives for only one day."
"The adult mayfly lives for only a few hours to a few days just long enough to mate and lay eggs."
crane fly/kɹˈeɪn flˈaɪ/noun
a slender flying insect of the dipteran fly family that has long legs and wings
"Crane flies look like giant mosquitoes but do not bite humans."
"The crane fly looks like a giant mosquito but adults do not bite or feed on blood."
cicada/səˈkeɪdə/noun
a large insect of homopterous family that has transparent wings and a wide head, the male of which produces a loud clicking noise
"Cicadas emerge from underground every after a prime number of years."
"Cicadas emerge from underground after seventeen years in some species filling summer air with their loud buzzing calls."
Insect Pests and Parasites
aphid/ˈæfəd/, /ˈeɪfəd/noun
a small bug that sucks the sap of a plant and reproduces without mating
"Aphids damage garden plants."
"Aphids feed on plant sap and excrete honeydew which attracts ants that protect the aphids from predators."
locust/ˈɫoʊkəst/noun
a large grasshopper that lives in hot countries and flies in large swarms, destroying crops
"Swarm of locust."
"Locusts can destroy crops during massive swarms."
silverleaf whitefly/sɪlvɚliːf waɪtflaɪ/noun
a small insect that feeds on the undersides of leaves, causing damage to crops and transmitting plant viruses
"Silverleaf whiteflies spread plant viruses as they feed on crops."
"The silverleaf whitefly is a serious agricultural pest that transmits plant viruses and causes crop losses."
thrips/ˈθɹɪps/noun
a small, slender insect with fringed wings that feeds on plant tissues and can transmit plant viruses
"Thrips damage the plant leaves."
"Thrips are tiny insects that scrape plant cells and suck the contents causing silvery streaking on leaves."
mite/ˈmaɪt/noun
a very small creature that lives on plants, animals, or in carpets
"The scabies mite burrows into human skin and causes intense itching."
"Mites are tiny arachnids that live in soil water plants or on animals including humans."
mealybug/mˈiːlɪbˌʌɡ/noun
a small sap-sucking insect covered in a powdery wax coating that feeds on plant sap and can cause damage to crops and ornamental plants
"The mealybug infested the houseplant."
"The mealybug is covered with white waxy filaments that protect it from predators and retain moisture."
bedbug/ˈbedbʌɡ/noun
a small brownish bug with an oval shape that feeds on the blood of humans or animals, mainly infesting houses and beds
"The hotel room was infested with bedbugs."
"Bedbugs are notoriously difficult to eliminate requiring professional heat treatment or chemical fumigation of the entire house."
flea/ˈfɫi/noun
a small leaping insect that feeds on the blood of humans or other animals, which spreads disease
"The dog scratched constantly because of a single flea."
"The dog scratched constantly because a single flea infestation had spread throughout its thick fur coat."
gnat/ˈnæt/noun
a tiny insect of the diptera order that bites and forms large swarms
"Gnats swarm in large annoying clouds during humid summer evenings."
"Gnats form annoying swarms near water but most species do not bite humans or animals."
termite/ˈtɝmaɪt/noun
a pale social insect living in hot countries that causes damage to trees and timber
"The termite ate the wood."
"A colony of termites can cause significant structural damage to wooden buildings."
louse/ˈɫaʊs/noun
a small parasitic insect that lives and feeds on the body of warm-blooded animals
"Head louse problem."
"The child had a head louse problem that required special treatment last month."
Learn all 474 words in this list with spaced repetition