Male pheasant displaying
Male common pheasant
Pheasant displaying
Male capercaillie displaying
Little bustard male displaying
Hen Pheasant Phasianus colchicus Cotswolds, United Kingdom
Ruff male displaying to female
Western grebe with egg
Western grebe on its nest
White storks courting
Cape gannet feeding its chick
Common moorhens nesting
Pheasant wing
Great crested grebe with material for nest-building
Pheasants fighting
Great spotted woodpecker and chick
Pheasant
Cock Pheasant Phasianus colchicus Cotswolds, United Kingdom
Little owl chick
Treehopper larvae and adults
Flightless dung beetle with dung ball
Rooster
Ostriches with chicks
Kangaroo joey
Little owl chicks
Emperor penguins and chicks
Mendelian inheritance chart
Crane flies mating
Wasp nest
Free range rooster and hens
Red-collared lorikeets
Male pheasant
Blue-tailed bee-eaters mating
Pied avocet pair mating
Blackbird mother feeding a fledgling
Emperor penguin and chick
Emperor penguin grooming its chick
Emperor penguin feeding its chick
Emperor penguin and chick grooming
Caspian terns nesting
Puma cub with its mother
Ringed seal pup
Common Pheasant (Phasianus colchicus)
Gentoo penguin
Chinstrap penguins nesting
Hairy dragonflies mating
Flies mating
Mantled guereza mother and baby
Pheasant, Phasianus colchicus
African lion in oestrus
Rooster standing at farm
The cock
Live cock
Rooster and hens in a farmyard
Emperor penguin chicks
Barn owl chick hatching out of eggshell
Pied avocet on nest
Emperor penguin pair and chick
Masked rabbitfish pair
Buff-tailed bumblebees mating
Verreaux's sifaka mother and baby
Triplefin blennies
Dead-leaf bush crickets mating
Mating dead-leaf bush crickets
Green tiger beetles mating
Common pheasants mating
Male common pheasant, X-ray
Gentoo penguins pair bonding
African black oystercatchers mating
Ostrich chick
Ostrich with eggs
Little owl at a nesting site
Little owl
Common sandpipers, 19th century artwork
Mallards mating
Male ruff in breeding plumage
Brunnich's guillemots on a cliff
Cockerel
Red junglefowl, artwork
Eurasian spoonbill breeding plumage
Indian river terns preening
Upland goose female and male
Sociable weavers at their nest
Male and female spotted flycatchers
Organic hens on dung heap against landscape, Attersee, Austria
Sea spider with larval cocoons
Common pheasant, Phasianus colchicus
Chickens eating feed
Black-browed albatrosses courting
Chicken eggs
Little owl mating couple
Little tern eggs
Monkey beetle feeding
Mating green tiger beetles
Rooster and hen
Southern elephant seal pup
Australasian gannets
Group of ostriches
Alderney Cattle, 19th century
Soft-woolled Welsh sheep, 19th century
Black-faced Heath Sheep, 19th century
Ryeland Sheep, 19th century
Siamese Pig, 19th century
Emu
Purple-crowned fairy hummingbird nesting
Tibetan Kyi Apso Dog
Caspian terns nesting, aerial view
Common four-ring butterflies mating
Lagoon sand shrimps mating
Rooster with red comb
Indian peacock displaying
Emu chicks
Eurasian spoonbill courtship display
Blue tit taking off from nest hole in nestbox
Grand and petit basset griffon vendeens
Appaloosa horse
Jersey cows
Adelie penguins in Antarctica, 1911
Close up of Male European Common Pheasant
Bengal kitten
Siberian cat
German spitz
Florida, Sanibel Island, Ding Darling NWR, Reddish Egret preening
Black-browed albatrosses with their young
Pair of black-necked grebes
Pair of black-winged stilts
Black-legged kittiwakes
Western grebe courtship display
Gentoo penguin and egg
Shag eggs
Grey heron in flight
Greylag goose and goslings
Ringnecked parakeets mating
Red-footed falcons mating
Inca tern breeding pair
Emperor penguin chick
Cassowary egg
Emu egg
Ostrich egg
Blue-footed booby on nest
Brown booby pair
Brown booby parent and chick
Blue-footed booby
Brown booby parents and chick
Gull eggs in a nest
Newly hatched chick props its head on an unhatched egg
Chick coming out of a shell
Indian river terns greeting