North America

The alligator gar is a large North American fish with a broad, tooth-filled snout.

Allosaurus was a large meat-eating dinosaur of the Late Jurassic.

The alpaca is a domesticated Andean camelid kept for its fleece.

The American alligator is a freshwater crocodilian of the southeastern United States.

The American badger is a flat, powerful digger of the North American grassland that tunnels after gophers and ground squirrels.

The American bison is the heaviest land animal in North America and the national mammal of the United States.

The American black bear is the smallest and most widespread bear in North America, at home in forest from Alaska to Mexico.

The American crow is a large all-black bird of farms, woods and city streets across North America.

The American goldfinch is a small seed-eating finch of open weedy country across North America.

The American kestrel is the smallest falcon in the Americas and the most numerous.

The American robin is a large thrush that feeds on lawns and open ground across North America.

The American toad is a stout amphibian of North America.

Ankylosaurus was a heavily armoured plant-eating dinosaur of the Late Cretaceous.

Anoles are climbing lizards.

Ants have many different colony structures and diets.

Anteaters are insect-eating mammals with elongated snouts.

The Arctic fox is a small fox of the tundra with the best insulating fur of any mammal.

The Arizona bark scorpion is a climbing arachnid of the Sonoran Desert.

Armadillos are American mammals with bony armour.

The Atlantic puffin is a small black and white seabird with a bright triangular bill.

The Atlantic salmon hatches in a river, grows up at sea, and returns to the same river to spawn.

Avocets are long-legged wading birds with upward-curving bills.

The axolotl is a salamander that never grows up.

The bald eagle is the national bird of the United States.

The barn swallow is the most widespread swallow on earth, with a steel blue back and a deeply forked tail.

The barred owl is a large brown owl of North American woodland, with dark eyes, a round head and no ear tufts.

Basilisks are tropical American lizards.

Bats include many different feeding and roosting specialists.

Beavers are semiaquatic rodents that alter waterways.

The common bed bug is a small wingless insect that hides in sheltered cracks near sleeping hosts.

The bee hummingbird of Cuba is the smallest bird in the world, at about 2.28 grams.

The beluga whale is a white toothed whale of Arctic and sub-Arctic seas.

The bighorn sheep is a wild sheep of the mountains and deserts of western North America.

Bison are heavy-bodied wild cattle.

The black vulture is a glossy black scavenger of the Americas, with a bare grey head and white patches at the wingtips.

Black widows include several related spiders.

The blue jay is a loud blue songbird of the crow family, native to eastern and central North America.

The blue mussel is a coastal bivalve that forms dense beds on suitable surfaces.

The blue-footed booby is a seabird of the eastern Pacific that dives on schools of small fish.

The bobcat is a medium-sized lynx with a short black-tipped tail, found from southern Canada to southern Mexico.

The bowhead whale is a heavy Arctic baleen whale that breaks sea ice with its huge arched head.

Box turtles are land-dwelling North American turtles.

Brachiosaurus was a tall plant-eating dinosaur of Jurassic North America.

The brown bear is one of the two largest land carnivores, and it ranges across the forests and mountains of Eurasia and North America.

The brown rat is a large, burrowing rodent that lives wherever people live.

The brown recluse is a small brown spider that spends the day in quiet shelter and searches for insects at night.

The American bullfrog is a large frog that waits near water for passing prey.

Bumblebees are social bees that gather nectar and pollen.

The Burmese python is a large Asian constrictor with dark blotches.

The burrowing owl is a small, long-legged owl of open country in the Americas.

Butterflies have diverse life histories.

Caimans are crocodilians of the Americas.

The California condor is the largest land bird in North America, with a wingspan of about 3 metres and a bare orange head.

The Canada goose is a large black-necked goose with a white chinstrap, native to North America and now settled on four continents.

The Canada lynx is a thick-furred cat of the boreal forest with tufted ears and huge snowshoe paws.

Capuchins are agile American monkeys with grasping tails and varied diets.

The Carolina parakeet was the only parrot native to the eastern United States.

Carpenter bees excavate wood for nesting.

The domestic cat is a small carnivore with a flexible body and retractile claws.

Catfishes include many freshwater and marine species.