Biological Exuberance: Animal Homosexuality and Natural Diversity

Black-footed Rock Wallaby

black-headed grosbeak

Black-headed Gull

Black-rumped Flameback

Black Stilt

Black Swan

Black-tailed Deer see Mule Deer

black-tailed gull

black-tailed prairie dog

Black-winged Stilt

Blue-backed Manakin

Blue-bellied Roller

blue-billed duck

bluebird

bluejay

Blue Sheep see Bharal

bluethroat

Blue Tit

Blue-winged Teal

boat-tailed grackle

Bonnet Macaque

Bonobo

Boto

Bottlenose Dolphin

bowerbird

Bowhead Whale

Bridled Dolphin

Brown Bear see Grizzly Bear

brown booby

Brown Capuchin

Brown-headed Cowbird

Brown Long-eared Bat

brown noddy

Brown Rat

Budgerigar (Domestic)

Buff-breasted Sandpiper

bufflehead duck

burro

Bush Dog

butterfly

Calfbird

California Gull

California sea lion

Canada Goose

canary

Canary-winged Parakeet

Caribou

Caspian Tern

cassowary

Cat (Domestic)