Oscar Dewhurst / Canada geese (Branta canadensis) in flight low over lake at sunrise in mist. London, UK. November
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Pal Hermansen / Whooping swan (Cygnus cygnus) in flight, blurred image. Tysslingen, Orebro, Sweden. March.
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Oscar Dewhurst / Mute swan (Cygnus olor) cygnet swimming. Richmond Park, London, UK. May
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David Pattyn / Mute swan (Cygnus olor) in a threathening territorial pose and attacking a rival, Lake Geneva, near Geneva, Switzerland, March
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Simon Littlejohn / Mute swans (Cygnus olor) hissing and lunging at a European otter (Lutra lutra), River Stour, Dorset, England, UK, June.
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John Cancalosi / Canada Goose (Branta canadensis) on nest with goslings, New York, USA.
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Nick Upton / Greylag goose (Anser anser) landing with its wings and head raised to chase off another from its territory in a marshland pool, Gloucestershire, UK, January.
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Nick Upton / Marsh harrier (Circus aeruginosus) female hunting among a panicked flock of Common teal (Anas crecca) in flight over marshland, RSPB Greylake Nature Reserve, Somerset, UK, December.
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Tim Laman / Canada goose (Branta canadensis) with gosling, a few days old. Massachusetts, USA. April.
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Tim Laman / Canada goose (Branta canadensis) with gosling, a few days old. Massachusetts, USA. April.
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George Sanker / Wood duck (Aix sponsa) male in breeding plumage. Acadia National Park, Maine, USA. April.
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Danny Green / Whooper Swans (Cygnus cygnus) in snow. Japan, February.
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Oscar Dewhurst / Mute swan (Cygnus olor) pair at sunrise. London, UK. December.
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Oscar Dewhurst / Mute swan (Cygnus olor) parents and cygnets on a misty lake at sunrise. London, UK. May
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Oscar Dewhurst / Mute swan (Cygnus olor) parent and cygnets swimming. London, UK. May
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Oscar Dewhurst / Mute swan (Cygnus olor) cygnets and parents swimming. London, UK. May
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Ismaele Tortella / Tracking shot of a Whooper swan (Cygnus cygnus) family walking, Lofoten, northern Norway, August.
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Andres M. Dominguez / Adult male King Eider (Somateria spectabilis) in flight. Batsfjord, Norway, March.
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Andres M. Dominguez / Adult male King Eider (Somateria spectabilis).Batsfjord, Norway, March.
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Andres M. Dominguez / Eider (Somateria mollissima) male animal, Batsfjord, Norway. March
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Oscar Dewhurst / Mute swan (Cygnus olor), two cygnets sheltering under parent's wing. Richmond Park, London, England, UK. April.
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Oscar Dewhurst / Mute swan (Cygnus olor) swimming with cygnets in misty lake in morning light. Richmond Park, London, England, UK. May.
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Jack Dykinga / Bald eagle (Haliaeetus leucocephalus) perched as Snow geese (Chen caerulescens) fly by, Bosque del Apache National Wildlife Refuge, New Mexico, USA, January.
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Jack Dykinga / Snow goose (Chen caerulescens) landing into a tight packed flock on lake, Bosque del Apache National Wildlife Refuge, New Mexico, USA. January.
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Jack Dykinga / Snow goose (Chen caerulescens) landing into flock, Bosque del Apache National Wildlife Refuge, New Mexico, USA, January.
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Jack Dykinga / Sandhill cranes (Antigone canadensis) and Snow geese (Chen caerulescens) at sunrise, Bosque del Apache National Wildlife Refuge, New Mexico, USA, November.
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Jussi Murtosaari / Whooper swan (Cygnus cygnus), adult with young ones, Finland, August.
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Jack Dykinga / Flocks of Mallard ducks (Anas platyrhynchos) taking off in tree-lined wetlands. Bosque del Apache National Wildlife Refuge, New Mexico, USA.
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Andy Rouse / Mute swan (Cygnus olor) stretching wings on water. In morning light, Wales, UK. February.
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John Shaw / Common eider duck (Somateria mollissima) female defending her nest from arctic fox (Vulpes lagopus). Longyearbyen, Spitsbergen. June.
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Terry Whittaker / Mandarin duck (Aix galericulata) male female pair, Reddish Vale Country Park, Greater Manchester, UK. December
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Marie Read / Canada geese (Branta canadensis) two during territorial fight in early spring, Ithaca. New York, USA
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Marie Read / Wood Ducks (Aix sponsa), females behave aggressively toward a male (second from right) that is trying to join them on a floating log, autumn, New York, USA, October.
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David Pattyn / Great crested grebe (Podiceps cristatus) adult with freshly caught fish. Tench (Tinca tinca) to feed to its young chick, Valkenhorst Nature Reserve, Valkenswaard, The Netherlands, June
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David Pattyn / Great crested grebe (Podiceps cristatus) adult with young on its back and in the water, Valkenhorst Nature Reserve, Valkenswaard, The Netherlands, June
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David Pattyn / Great crested grebe (Podiceps cristatus) adult with young on its back, Valkenhorst Nature Reserve, Valkenswaard, The Netherlands, June
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David Pattyn / Great crested grebe (Podiceps cristatus) adults courting and greeting each other to confirm their bond. Even with the young chicks already out they often show courtship behavior to each other, Valkenh...
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David Pattyn / Mute swan (cygnus olor) family, Valkenhorst Nature Reserve, Valkenswaard, The Netherlands, June
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Russell Cooper / Mandarin duck drake (Aix galericulata) from behind flapping its wings. Southwest London, UK. February.
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Russell Cooper / Mandarin duck drake (Aix galericulata) on the water, showing orange 'sail' feathers which are used when displaying, Southwest London, UK, March.
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Ernie Janes / Brent geese (Branta bernicla) flying with moon, Titchwell, Norfolk, UK, December
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Markus Varesvuo / White-fronted goose (Anser albifrons) and Taiga bean goose (Anser fabalis rossicus) flocks in flight and on water. Latvia. April.
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David Tipling / Pink-footed geese (Anser brachyrhynchus) flying against strong northerly wind off Salthouse North Norfolk, wind turbines in sea in background, England, UK. November
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Ernie Janes / RF - Mute swans (Cygnus olor) flock of non breeding adults, Fleet lagoon Dorset, England, UK, June. (This image may be licensed either as rights managed or royalty free.)
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John Waters / Slow motion clip of a Mallard (Anas platyrhynchos) duckling chasing and catching Mayfly (Ephemeroptera) emerging from River Kennet, Hungerford, Berkshire, England, UK, June.
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David Allemand / Two Snow geese (Anser caerulescens) during migration, with dark clouds against the sun, Quebec, Canada, October.
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Konrad Wothe / Goosander (Mergus merganser) chick hunting mayfly, Upper Bavaria, Germany
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Staffan Widstrand / Wild Wonders of China / Red jungle fowl (Gallus gallus) Tongbiguan Nature Reserve, Dehong Prefecture, Yunnan Province, China, April.