Male mallards fighting
Male mallard landing on water
Mallards, artwork
Mallards mating
Male mallard
Puffins fighting on Skomer Island, Pembrokeshire, UK
Ruddy shelducks fighting
Male mallard duck
Hawfinches fighting
White-backed vultures fighting
Mallard ducklings
Mallard drake
Mallard drake walking on ice
Mallard ducks, composite image
Mallard
Black-tailed godwits fighting
Cape gannet
Tawny eagles fighting
Birds at bird feeder
Hawfinch being aggressive
White-backed vultures interacting
White-backed vultures skirmishing
Male mandarin duck
Male common eider duck
Male barrow's goldeneye
Male smew duck
Ring-necked parakeets on bird feeders
Ring-necked parakeets on a bird feeder
Mallard duckling
Ruddy shelduck
Ring-necked parakeet and starlings on a bird feeder
Tawny eagle threat display
Male red-crested pochard
Male chestnut teal
Male tufted duck
Male common shelduck
Female and male mandarin ducks
Male goldeneye duck in breeding plumage
Mallards
Puna teal
Ruddy shelducks
Egyptian geese mating
Northern shoveler drake
Blue-winged teal
Swans and cygnets
Ruddy shellduck bathing
Common scoter
Female long-tailed duck
Wandering whistling ducks
Pacific black duck
Red-crested pochard
Mandarin duck
Cape teal
Germany, Lower Saxony, Common kingfishers, Alcedo atthis, on branch
Female mallard duck
Gelada batchelor group patrolling
Scottish wildcat
Hippopotamuses in a water pool
Lion and lioness growling at each other
Grey seal bulls fighting
Pheasants fighting
Sacred ibis eating a crab
Grey heron catching a fish
Red-breasted goose
Whooper swan
Puffins
Sandwich tern in flight
Common sandpiper (Actitis hypoleucos)
Tricoloured heron and prey
Black skimmer landing on water
Atlantic puffin in flight
Atlantic puffins
Eurasian wigeons
Greylag goose in flight
White-throated Kingfishe
Inca tern
Black-necked stork
Four ducklings
Masked lapwing
Rufescent tiger heron
Greater flamingos about to take off
Mandarin duck, 18th century artwork
Tufted duck, 19th century
Yellow-billed duck
Grey herons fighting
Kelp gulls fighting
Eurasian jays fighting
Hooded merganser male
Common shelduck flock in flight
Female red-footed falcon
European starlings fighting
Grey herons fighting over a fish
White-backed vultures in aerial skirmish
Male chacma baboon
Male European red deer
Burchelll's zebras fighting
Male red-crested pochards, Netta rufina, hierarchic encounter
Male yellowhammer
Elephant bull charging
Male smew
Mallard ducks same-sex sexual behaviour
Male Tree Sparrow
Male eclectus parrot
Male great spotted woodpecker
Male snow bunting
Male european green woodpecker
Male golden bowerbird
Male mulga parrot
Male superb fairywren
Male scarlet robin
Male pied bush chat
Male siskins at bird feeder
Male wood duck
Male European goldfinch on a branch
Male wood duck in eclipse plumage
Little grebe, artwork
Sparrows fighting
Long-tailed cormorant
Mute swan
Kingfisher
Red-legged crake
Great white shark breaching in South Africa
Female mallard duck quacking
Common tern attacking a gull
Two polar bears fighting
Harlequin duck
Common pochard, 19th century artwork
Ruddy shelduck, India
Male goldeneye preening
Threat display of a male Gelada baboon
White-faced whistling ducks
Germany, Schleswig-Holstein, Tern, sternidae
Cape cobra
Machete savane snake
Australian sea lions
Blesbok males
African elephants
Burchell's zebras fighting
Male kingfisher
Male pheasant
Female mallard ducks
Great crested grebe
Red shoveler duck
Razorbill (Alca torda), close-up
little stint (Calidris minuta)
Common spoonbill
Stone-curlew (Burhinus oedicnemus)
Salvin's albatrosses
Spur-winged plover
Pygmy cormorant perching on branches
Cattle egret feeding its hatchlings
Cattle egret in a nest with a chick
Red-breasted geese
Common redshank
Great stone-curlew by water
Intermediate egret pair
Spot-billed pelican
Jabiru stork
Bare-face ibis
Black skimmer
Squabbling Kelp Gulls
Giant kingfisher
Goliath heron
Pied kingfisher
Oriental darter drying its wings
Water rail