Animal Types: English Vocabulary List

a class of animals to which humans, cows, lions, etc. belong, have warm blood, fur or hair and typically produce milk to feed their young

"A dog is a mammal."

"A whale is a marine mammal, not a fish, because it breathes air and feeds milk to its young."

any cold-blooded animal with the ability to live both on land and in water, such as toads, frogs, etc.

"Frogs are a type of amphibian."

"An amphibian is a cold-blooded vertebrate that begins life in water with gills and later develops lungs for a terrestrial adult existence."

any mammal that lays eggs and is only found in Australia, such as platypus

"The platypus is a monotreme."

"The platypus is a monotreme meaning it lays eggs despite being a mammal with fur."

any of the order of mammals that carry their young babies in a pouch, such as kangaroos, found either in Australia or Americas

"Kangaroos are the most famous marsupial in the world."

"The marsupial carries its undeveloped young in a pouch where they continue growing after birth."

a class of terrestrial arthropods that breathe air and have four pairs of limbs, such as spiders, scorpions, etc.

"Spiders are arachnids."

"Arachnids have eight legs and no antennae."

a small creature such as a bee or ant that has six legs, and generally one or two pairs of wings

"An ant is a social insect living in a colony."

"A stick insect is a master of camouflage, perfectly blending into branches to avoid being detected."

a class of animals to which crocodiles, lizards, etc. belong, characterized by having cold blood and scaly skin

"Snakes and lizards are reptiles."

"A reptile is a cold-blooded vertebrate covered in scales"

any small mammal with a pair of strong front teeth, such as mice, hamsters, rats, etc.

"A rodent nibbled the cheese."

"The scientist studied the behavior of the common house rodent in a controlled laboratory environment."

a bird, such as an eagle or a hawk, that feeds on animal flesh

"The eagle is a powerful bird of prey."

"The eagle is a powerful bird of prey that hunts rabbits and other small animals from high above."

any bird that makes a musical call

"A songbird perches on the branch and sings beautifully."

"The songbird's complex melodies are learned from its father during a critical period after hatching."

a strong mammal used for carrying heavy loads, also known as a beast of burden

"Donkeys serve as pack animals in mountainous regions."

"The llama has been used as a pack animal in the Andes for thousands of years carrying heavy loads."

an animal that feeds on the flesh of other animals

"Lions are carnivores that eat meat."

"A carnivore is an animal that obtains its energy and nutrients exclusively from consuming the flesh and meat of other animals."

any animal that only feeds on plants

"Cows are herbivores that eat grass."

"A herbivore is an animal anatomically and physiologically adapted to eating only plant material as the main component of its diet."

an animal that eats both plant and animal matter

"A bear is an omnivore that eats both plants and meat."

"Bears are omnivores because they eat both plants like berries and roots and animals like fish and small mammals depending on what is available."

an animal that primarily feeds on insects or other small invertebrates

"The hedgehog is mainly an insectivore animal"

"Pangolins are insectivores that eat ants and termites."

a bird that lives near the sea

"A seabird landed near the fishing boat"

"Seabirds spend most of their lives over the ocean."

any aquatic bird, especially a game bird of fresh waters

"The lake attracts many waterfowl during migration"

"The wetland area provided a safe habitat for migrating waterfowl like ducks and geese."

small animals or insects that are believed to be destructive and are difficult to handle when they appear in a considerable number

"The warehouse suffered from vermin infestation recently"

"The old barn was overrun with vermin, so the owner called an exterminator immediately."

any animal that lives by hunting and eating other animals

"The lion is a powerful predator."

"A predator is an animal that hunts"

an invertebrate animal with a segmented body and a chitinous exoskeleton, such as a spider, crab, etc.

"Arthropods have exoskeletons."

"Insects and spiders are arthropods."

a large group of animals characterized by the possession of a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fishes

"All mammals are vertebrates."

"A vertebrate is an animal possessing a bony or cartilaginous spinal column"

any large wild animal of the cat family, such as lions, tigers, etc.

"Lions and tigers are both considered big cats."

"The tiger is the largest of the big cats and can weigh over six hundred pounds in the wild."

a group of mammals, including cows, buffalo, bison, and antelopes, that are characterized by cloven hooves and ruminant digestion

"The cow is a bovid animal."

"The bovid family includes cows sheep and goats and these animals have hooves and chew their cud."

any mammalian animal that belongs to the same group as humans, such as monkeys, apes, lemurs, etc.

"Primates include humans."

"Primates have forward-facing eyes and large brains."

an animal, typically an insect or a bird, that transfers pollen from one flower to another

"Bees are important pollinators."

"The bee is an essential pollinator without which many fruit and vegetable crops would fail."

an insect or small animal that destroys or damages crops, food, etc.

"The pest ate it."

"The farmer battled the persistent pest that threatened to destroy his entire harvest of corn for the season."

any invertebrate that lives in aquatic or damp habitats and has a soft unsegmented body, often covered with a shell

"The mollusk has a shell."

"The child found a colorful mollusk on the beach."

all wild animals, considered as a whole, living in the natural environment

"Protecting wildlife is important."

"The national park is a sanctuary for diverse wildlife, offering protection to many rare and endangered species."