Monkey hanging from a tree by its tail, illustration
Indri (Indri indri)
White-faced capuchin,18th century artwork
Monkey skeleton, 18th century
Coiled moth or butterfly proboscis, illustration
Hallucinating monkey, artwork
Snake, 18th century artwork
Lemuridae mammals, illustration
Primates, illustration
Pronghorn
Female black-and-gold howler monkey (Alouatta caraya)
Great-crested flycatcher
Goldfinch
Evening grosbeak
Cooper's hawk
Osprey
Stout cisticola
Fox paw, illustration
Tiger, illustration
Dog heart, illustration
Dog liver, illustration
Dog lymphatic system, illustration
Three-toed sloth, illustration
Viverridae mammals, illustration
Bird skeleton, historical artwork
Bobcat, illustration
Lemur, marmoset and baboon, 19th century
Mosquito in flight, illustration
Head of a great blue heron (Ardea herodias)
Head of a whimbrel (Numenius phaeopus)
Head of a red-tailed hawk (Buteo jamaicensis)
Head of a hooded merganser (Lophodytes cucullatus)
Head of a northern cardinal (Cardinalis cardinalis)
Head of a roseate spoonbill (Ajaia ajaja)
Head of a northern flicker (Colaptes auratus)
Head of a brown pelican (Pelecanus occidentalis)
Bobwhite
Dovekie
Common gallinule
Greater yellowlegs
Sage grouse
Sharp-tailed grouse
Harrier
Snakes, 18th century artwork
Toxodon mammal, illustration
Macrotermes termite nest in tree, illustration
Cebid monkey, 19th century
Gray mouse lemur (Microcebus murinus)
Primate evolution, conceptual artwork
Buzzard in flight
Cuckoo in nest, illustration
Owl feathers, illustration
Blue jay, illustration
Pig, illustration
Dolphin, illustration
Bobcat skull, illustration
Elephant, illustration
Elephant skeleton, illustration
Tick life-cycle, illustration
Whiskered and natterer's bats, illustration
Axis deer, illustration
Bactrian camel, illustration
Barasingha deer, illustration
Fallow deer, illustration
Muntjac deer, illustration
Otter eating brown trout, illustration
Pere David's deer, illustration
Right whale, 19th century
Mouse anatomy, illustration
Sex determination of newborn mice, illustration
Mouse male reproductive system, illustration
Rabbit anatomy, 19th Century illustration
Chicken anatomy, 19th Century illustration
Horse musculature, illustration
Dog skin, illustration
Giant pandas, illustration
Giant panda, illustration
Common genet, illustration
European badger, illustration
Wildcats, illustration
Five cervidae mammals, illustration
Four antelopes, illustration
Marsupialia mammals, illustration
Horse anatomy, illustration
Equine skeletal system, illustration
Whale shark
Basking shark
Grammatostomias flagellibarba
Slender snipe eel
Telescope fish
Thaumatichthys axeli
Scaly dragonfish
Cave lion, illustration
Dog spleen, illustration
Dog arteries, illustration
Dog veins, illustration
Treecreeper (Certhia familiaris), illustration
Pileated woodpecker, illustration
Northern bald ibis, 19th Century illustration
Bird of paradise, 19th Century illustration
Eagle attacking a parrot, illustration
House sparrow, illustration
Long-tailed tits on hawthorn blossom, illustration
Seagull, illustration
Seagull in flight, illustration
Seagull wing, illustration
Red Crowned Crane, artwork
Tawny Fish Owl, artwork
Two woodpigeons, artwork
Sultan Tit, artwork
Silver eared mesia bird, artwork
Pair of Spermophila birds, artwork
Two blue bird-of-paradise birds, artwork
Jaguar hunting its prey in the Amazon, 19th century
Male superb lyre bird, illustration
Spanish psammodromus, illustration
Blue tit, illustration
Birds, ciconiiformes family, illustration
Gruiformes birds, illustration
Borneo forest mammals, artwork
Chinese Fine art, Traditional Chinese Painting, Year Of The Monkey
Phocidae seals, illustration
Bat, historical artwork
Spider monkey, 19th Century illustration
Diana monkey, 19th Century illustration
Patas monkey, 19th Century illustration
Cassin's honey guide
Rufous-Tailed jacamar
Primates, 19th century
New World monkeys, 19th century
Highland mangabey heads, artwork
Dove carrying branch, illustration
Chinese water deer, illustration
Slow loris (Nycticebus coucang)
Great white shark
Gulper eel
Linophryne bicornis
Dog gallbladder, illustration
Dog kidneys, illustration
Dog small intestine, illustration
Dog stomach, illustration
Dog skeleton, illustration