Male ruff in breeding plumage
Ruff male displaying to female
Mallards mating
Little owl at a nesting site
Little owl
Squacco heron in breeding plumage
Great crested grebe with material for nest-building
Western grebe with egg
Western grebe on its nest
Emu
Emperor penguin wing and plumage
Florida, Sanibel Island, Ding Darling NWR, Reddish Egret preening
Red-collared lorikeets
Male South Indian rock agama
Kangaroo joey
Herd of zebras grazing
Impalas grazing near a waterway among flood-killed trees
Warthog grazing
Rare white rhinoceros grazing
Male impalas
Two plains zebras grazing
Side view of Dachshund dog
Appaloosa horse
Free range goose fledglings
Male goldeneye duck in breeding plumage
White storks courting
Common sandpipers, 19th century artwork
German spitz
Siberian cat
Korat
Common moorhens nesting
Sand martins breeding colony
Male pheasant displaying
Little bustard male displaying
African elephants grazing side by side
Sand martin in flight around breeding site
Eurasian spoonbill breeding plumage
Addax (Addax nasomaculatus)
Angora goat, artwork
Group of turnstones in winter plumage
Male common pheasant
European robin
Hamerkop
Cape glossy starling
Flamingo splashing
Male Pin-Tailed Whydah in mating display
Western emerald hummingbird
Great egret
Male Madagascar paradise flycatcher
Male common linnet perching on a bramble branch
House sparrows feeding at garden feeder
Great tit
Male common shelduck
Chiloe wigeons
Cape teal
Goldfinch
Eurasian nuthatch feeding
Little egret feeding
Female stonechat
Woodland bird-feeder with feeding goldfinches and siskins
Goldfinches, siskins, and lesser redpolls feeding
Eurasian collared dove with nesting material
Male stonechat
Dunnock
Common snipe
Spanish sparrows
Alpine chough perched on rock outcrop
Jackdaw
Sparrowhawk
Pheasant wing
Little owl chicks
Little owl chick
Feather, light micrograph
European nuthatch
Pigeons in flight
Starlings
Female common kestrel
Greater yellowlegs
Flock of dowitchers (Limnodromus sp.)
Western sandpiper
Forster's tern in flight
Yellow-rumpled warbler
Male great white pelican
House sparrows
Male Spanish sparrow
Male common whitethroat
Rock pipit
Skylark
Peregrine falcon
Sandwich tern in flight
Spotted flycatcher
Common tern
Common swift
Superb fairywren
Lilac-breasted roller
Peacock feathers
Peacock feather
Plum-headed parakeet on a branch
Male peacock feather, macro photograph
White-backed vulture wingspan
Male Scarlet chested sunbird on aloe
Black-footed penguins grooming
Dunlin scratching
Rock pigeons
Dead female kingfisher
Bluethroat
Cape robin bathing
Male cape weaver
Superb starling
Male chaffinch perched on a branch
Brunnich's guillemots on a cliff
Grand and petit basset griffon vendeens
Turkey farming
Mantled guereza mother and baby
Arabian leopard (Panthera pardus)
Greek tortoises mating
Coot standing on ice
Song thrush wing feathers
Snowy owl head
Robin feather
Northern lapwig
Black-headed gull
Great tits
Eurasian nuthatch
Dalmatian pelican
Starlings on telephone wire
African wild ass (Equus africanus)
Golden eagle
Russian blue cat
Burmese-brown smoke Asian cat
Cinnamon angora cat and three kittens
Cream burmese cat on all fours
Chocolate point Balinese cat
Cream point British shorthair cat
Blue point European shorthair cat
Turkish Van cat
Imperial shag in breeding colours
Group of ostriches
Northern Bald Ibis
Great grey owl
Orange-winged amazon parrot
Harris hawk head
Alpine chough
Imperial shag pair in breeding colours
Scarlet macaw plumage
Scarlet tiger moths mating
Male capercaillie displaying
Dog head and neck
Mendelian inheritance chart
Intensive turkey farm
Giant cuttlefish fighting
Jersey cows
Black anemonefish
Bronze turkey
Call duck
Light Sussex chick
Colony of white storks breeding on rooftops
Common Pheasant (Phasianus colchicus)
Specially bred lambs
Common buzzard (Buteo buteo)
Turnstone feeding
Male house sparrow
Sitting Siamese cat
Song thrush breast feathers
Rooks
Little egret in a lagoon at dusk
Flightless dung beetle with dung ball
Male great bustard beginning to display
Bearded reedling feeding
Tibetan Kyi Apso Dog
Caspian terns nesting
Free-range chicken
Indian river terns greeting
Marabou stork
Little egret landing
Common tern in flight