Eastern grey squirrel, artwork
Barred owl and prey, artwork
Long-tailed squirrel, artwork
Pel's flying squirrel, 19th century
Barn owls, artwork
Prehistoric cat, artwork
Spider monkey, historical artwork
Common shrew, artwork
Common muntjac deer, artwork
Grey kingbird, artwork
Primates, 19th century
Proconsul africanus primate
How the Leopard got his Spots, illustration
Ocelot, 19th century
Sable, 19th century
Plains viscacha, 19th century
Groundhog, 19th century
Golden lion tamarin, artwork
Malabar giant squirrel, 19th century
Eastern Kingbirds, artwork
Eastern meadowlark, artwork
Flying squirrel, 19th century illustration
Promegantereon sabre-tooth cat, artwork
Great grey shrike, artwork
Great grey owl, artwork
Grey phalarope, historical artwork
Emerald tree boa, 19th century
Palaeotherium magnum prehistoric ungulates, illustration
Northern saw-whet owl, artwork
Orangutan, 19th century artwork
Chimpanzee, 19th century artwork
Uakari, 19th century artwork
Chimpanzee skeleton, 19th century artwork
Ursine howler, 19th century artwork
Night monkey, 19th century artwork
Loris and bushbaby, 19th century artwork
Homotherium hunting Irish elk, artwork
Masiakasaurus dinosaurs, artwork
Mamenchisaurus dinosaurs, artwork
Wildlife of the Miocene era, artwork
Bengal tiger, 19th century
Cebid monkey, 19th century
The Cat that Walked by Himself, illustration
Sei whale's head, illustration
Woodpeckers, artwork
North American suburban wildlife, illustration
Tiger and crocodile, 19th century
Prothonotary warblers, artwork
Two mourning doves, artwork
Bewick's wren, artwork
Carolina parakeets, artwork
Red-headed woodpeckers, artwork
Northern flicker birds, artwork
Tufted titmouse, artwork
Orchard orioles, artwork
Cedar Waxwings, artwork
Summer tanagers, artwork
Loggerhead Shrikes, artwork
White-eyed vireo, artwork
Rose-breasted grosbeaks, artwork
Black-backed woodpeckers, artwork
Pine warbler, artwork
White-breasted nuthatch, artwork
Olive-sided flycatcher, artwork
Pine Siskin, artwork
Common ground dove, artwork
Wood duck, artwork
Brown pelican, artwork
Pine grosbeak birds, artwork
Purple martins and nest, artwork
Three ivory-billed woodpeckers, artwork
Ivory-billed woodpecker, artwork
Brown creeper and Pygmy nuthatch, artwork
Chuck-will's widow birds, artwork
Pair of red-shouldered hawks, artwork
Tiger, artwork
Black iguana, artwork
Little grebe, historical artwork
Storm petrel, historical artwork
Red kite, historical artwork
Arctic skua, historical artwork
Ruff, historical artwork
Sandpiper, historical artwork
Hummingbirds, historical artwork
Marsupialia mammals, illustration
Grey plover, artwork
Tianyulong confuciusi dinosaurs, artwork
Mountain hares, artwork
Black rhinoceros,artwork
Sivapithecus indicus, artwork
Terror bird, artwork
Pliocene fauna, artwork
Highland mangabey, artwork
Doedicurus mammals, artwork
Ruffed lemur, 19th century artwork
Grey and red junglefowl, artwork
Stoat, artwork
Ring-tailed iguana, 19th century artwork
Common weasel, artwork
European rabbit, artwork
European badger, artwork
Fallow deer, artwork
Highland mangabey heads, artwork
Kinkajou, 19th Century illustration
Primates
Gibbons hanging from a tree, illustration
Polar bear, illustration
Cheetah pivoting with its tail, illustration
Bobcat, illustration
Orcas hunting salmon, illustration
Giraffe, 19th Century illustration
Evolution of mammals, 19th Century illustration
South American rodents, 19th century
European beavers, illustration
Elk, 19th Century illustration
Giant anteater, 19th Century illustration
Bird-of-prey hunting, 19th century
Elk, 19th century
Greater grison, 19th century
American mink, 19th century
Striped hyena, 19th century
Norway lemming, 19th century
Greater bulldog bat, 19th Century illustration
Snow leopard, 19th century
Leopard, 19th century
Large Indian civet, 19th century
Common genet, 19th century
Madagascan flying fox, 19th century
Nubian ibex, 19th century
Indian antelope, 19th century
South African antelope, 19th century
Just so stories, illustration
How the Whale got his Throat, illustration
How the Rhinoceros got his Skin, illustration
The Elephant's Child, illustration
The Sing-Song of Old Man Kangaroo, illustration
The Beginning of the Armadillos, illustration
Capture of a sea monster, illustration
Whale pod attacking ship, illustration
Moderately falcate tip of blue whale's dorsal fin
Brown bear, 19th century illustration
Lion, illustration
Man measuring a giraffe using a pole weapon, illustration
Fennec fox, illustration
Flukes of common dolphin, illustration
Red-billed oxpeckers and giraffe, illustration
Location of pelvis part of chimpanzee skeleton, illustration
Canine hypertrophic cardiomyopathy, illustration
Giraffe, illustration
Eurasian pygmy shrew, artwork
Wood mouse, artwork
Potto, 19th century
Facial expression of Beluga whale, illustration
Rhinoceros's foot, illustration
Piatnitzkysaurus floresi dinosaurs
Apatosaurus dinosaurs
Surfbird, artwork
Aurornis, artwork
Osprey, artwork
Ovenbirds, artwork
Snakebird, artwork
Dickcissel, artwork
Warblers, artwork
Coyote under a rock, illustration
Small spotted genet, illustration
Troodon dinosaur
Lesser yellowlegs, artwork
Red-Cockaded woodpecker, artwork
Finches and Tanagers, artwork
Gull-billed tern, artwork
Group of birds, artwork
Rough-legged Buzzards, artwork
Anna's hummingbird, artwork
Californian condor, artwork
Greater flamingo, artwork
Flycatchers and vireos, artwork
American dipper, artwork
Pairs of Warblers, artwork
Himalayan treecreeper, artwork
Short-toed eagle, artwork
Dusky eagle owl, artwork
Eurasian jay, artwork
Drongo bird, artwork
Domestic Pigeon, artwork
Green Turaco, artwork
Pink footed Goose, artwork
Cheer pheasant, artwork
Brown Kiwi, artwork
Spectacled cormorant, artwork
Owl Parrot, artwork
Northern Eagle-Owl, artwork
Silvery-cheeked hornbill, artwork
Estrildid finches, artwork
Common Greenshank, artwork
Green woodpecker birds, artwork
Wild Turkey, artwork
Purple finches, artwork