Cooper's hawk
Head of a red-tailed hawk (Buteo jamaicensis)
Osprey
Cooper's hawk observing prey, artwork
Northern goshawk and Cooper's hawk
Stout cisticola
Sharp-shinned hawk, artwork
Sage grouse
Sharp-tailed grouse
Buzzard in flight
Pronghorn
Crested goshawk
Great-crested flycatcher
Goldfinch
Evening grosbeak
Harris hawk,, artwork
Indri (Indri indri)
Owl feathers, illustration
Head of a great blue heron (Ardea herodias)
Head of a whimbrel (Numenius phaeopus)
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
Harrier
Jungle owlet
Red kite, historical artwork
Tawny Fish Owl, artwork
Short-eared owl, illustration
Rough-legged Buzzards, artwork
Californian condor, artwork
Red-tailed hawks and prey, artwork
Black-winged kite, artwork
長耳フクロウ イラスト
Pay-off matrix showing bourgeois, or mixed attack/retreat behaviour, as the most stable strategy for a population.
Large hawk-cuckoo
Vector illustration
Cassin's honey guide
Rufous-Tailed jacamar
Canada goose
野鳥 トビ
Adult male condor, 19th century illustration.
Adult female condor, 19th century illustration.
California condor, 19th century illustration
Pair of red-shouldered hawks, artwork
Monkey hanging from a tree by its tail, illustration
Snake, 18th century artwork
Bird skeleton, historical artwork
Bat, historical artwork
Northern hawk-owl, artwork
フクロウ イラスト
Red-shouldered hawk and prey, artwork
Sea eagle, historical artwork
Peregrine falcon, illustration
Eagle attacking a parrot, illustration
Tiger, illustration
Gray mouse lemur (Microcebus murinus)
Female black-and-gold howler monkey (Alouatta caraya)
vector illustration of the pheasant on white background
House sparrow, illustration
The Hawk-Dove model of game theory, illustrating the costs and benefits of fighting over resources.
Cuckoo in nest, illustration
Dove carrying branch, illustration
Eastern bluebird
Twelve-spotted ladybird
Squash bug
Donax clam
Canvasback duck
King eider
Whale shark
Basking shark
Great white shark
Grammatostomias flagellibarba
Slender snipe eel
Gulper eel
Telescope fish
Thaumatichthys axeli
Scaly dragonfish
Linophryne bicornis
Grison
Two turkey vultures, artwork
Red-breasted flycatcher
Grey-breasted prinia
Red-whiskered bulbul
Indian pitta
Brown-capped woodpecker
Brown-cheeked fulvetta
Grey-headed canary-flycatcher
Yellow-cheeked tit
Bar-winged flycatcher-shrike
White-browed scrub-robin
Blue-capped rock thrush
Rufous babbler
White-throated kingfisher
Indian roller
Long-tailed shrike
Bronzed drongo
Ashy wood-swallow
Chestnut-headed bee-eater
Yellow-eyed babbler
Grey-bellied cuckoo
Puff-throated babbler
Laughing dove
Malabar whistling thrush
Jungle myna
Greater flame-backed woodpecker
Common hoopoe
White-cheeked barbet
White-billed treepie
Jungle babbler
Rufous treepie
Sirkeer malkoha
White-bellied drongo
Nilgiri laughing thrush
Tiger, artwork
vector silhouette duckling on white background
Watercolor painting of a flying eagle
Snakes, 18th century artwork
Barred owl and prey, artwork
Great grey owl, artwork
Tengmalm's owl, artwork
Long eared owl, artwork
Birds, ciconiiformes family, illustration
Gruiformes birds, illustration
Male superb lyre bird, illustration
Blue tit, illustration
Animal family tree, illustration
Types of reptilian hearts: lizard, snake, crocodile, and turtle.
Wildcats, illustration
Lion on a white background, vector illustration
Andean condors, artwork
Slow loris (Nycticebus coucang)
Mouse anatomy, illustration
Set of cute owls on branch. Hand drawn picture isolated on white background.
Fox paw, illustration
White-faced capuchin,18th century artwork
Efraasia dinosaur, artwork
Sellosaurus gracillis dinosaur, artwork
Euskelosaurus dinosaur, artwork
Blikanasaurus comptoni dinosaur, artwork
Lessemsaurus sauropoides dinosaur
Melanorosaurus dinosaur, artwork
Technosaurus smalli dinosaur, artwork
Antetonitrus ingenipes dinosaur, artwork
Temnodontosaurus dinosaur, artwork
Excalibosaurus costini dinosaur, artwork
Attenborosaurus conybeari dinosaur
Dimorphodon macronyx dinosaur, artwork
Parapsicephalus dinosaur, artwork
Segisaurus halli dinosaur, artwork
Podokesaurus holyokensis dinosaur
Syntarsus dinosaur, artwork
Sarcosaurus woodi dinosaur, artwork
Saltriosaurus dinosaur, artwork
Anchisaurus dinosaur, artwork
Jingshanosaurus dinwaensis dinosaur
Yunnanonsaurus huangi dinosaur, artwork
Kunmingosaurus wudingensisu dinosaur
Barapasaurus tagorei dinosaur, artwork
Lesothosaaurus diagnosticus dinosaur
Abrictosaurus consors dinosaur, artwork
Lanasaurus scalpridens dinosaur, artwork
Scelidosaurus harrisonii dinosaur
Emausaurus ernsti dinosaur, artwork
Lusitanosaurus liasicus dinosaur, artwork
Gallodactylus canjuersensis dinosaur
Ornitholestes hermanni dinosaur, artwork
Barosaurus dinosaur, artwork
Five birds, illustration
Yellow-legged gull, illustration
American flamingo, illustration
Black-winged stilt, illustration
Common redshank, illustration
Little egret, illustration
Grey heron, illustration
Black-headed gull, illustration
Greenfinch in flight, illustration
Hoopoe, illustration
Treecreeper (Certhia familiaris), illustration