Sylvain Cordier / Common Loons (Gavia immer) one diving underwater , Michigan, USA. June.

Sylvain Cordier / Common loon (Gavia immer) display, Michigan, USA. June.

Danny Green / Willow Tit (Poecile montanus) on a snowy branch. Utsjoki, Finland, February.

Danny Green / Whooper Swans (Cygnus cygnus) in snow. Japan, February.

Danny Green / Waxwings (Bombycilla garrulus), in snow. Finland, March

Danny Green / Common cranes (Grus grus) leaving the roost at dawn, Hula Valley, Northern Israel, January

Klein & Hubert / Young Eagle hunter (Berkutchi) with his Golden eagle (Aquila chrysaetos) portrait, Altai, Mongolia. Model released.

Klein & Hubert / Young Eagle hunter (Berkutchi) with his Golden eagle (Aquila chrysaetos) portrait, Altai, Mongolia. Model released.

Erlend Haarberg / Rock ptarmigan (Lagopus muta) in flight, Tysfjorden, Nordland, Norway, March.

Erlend Haarberg / Fieldfare (Turdus pilaris), Vauldalen, Norway, May.

Luis Quinta / Balearic shearwater (Puffinus mauretanicus) dead in water due to fatigue from migration. Portugal

Oscar Dewhurst / Mute swan (Cygnus olor) pair at sunrise. London, UK. December.

Oscar Dewhurst / Mute swan (Cygnus olor) parents and cygnets on a misty lake at sunrise. London, UK. May

Oscar Dewhurst / Mute swan (Cygnus olor) parent and cygnets swimming. London, UK. May

Oscar Dewhurst / Mute swan (Cygnus olor) cygnets and parents swimming. London, UK. May

Guy Edwardes / Red-crowned crane (Grus japonensis) courtship dance in snow, Hokkaido, Japan

Guy Edwardes / Scarlet Macaw (Ara macao) in flight, Costa Rica

Guy Edwardes / Dalmatian Pelican (Pelecanus crispus) portrait, close-up, Lake Kerkini, Greece

Guy Edwardes / Common Buzzard (Buteo buteo) flying near Teasel plants (Dipsacus fullonum) Captive.

Guy Edwardes / Dalmatian pelicans (Pelecanus crispus) group, Lake Kerkini, Greece

Guy Edwardes / Dalmatian pelicans (Pelecanus crispus) in flight, blurred motion. Lake Kerkini, Greece

Guy Edwardes / Shore lark (Eremophila alptstris), Ontario, Canada

Guy Edwardes / Dalmatian pelicans (Pelecanus crispus) on ice, Lake Kerkini, Greece

Guy Edwardes / Hawfinch (Coccothraustes coccothraustes) fighting in snow, Bulgaria

Guy Edwardes / Dalmatian pelican (Pelecanus crispus), Lake Kerkini, Greece

Andy Rouse / Little Bittern (Ixobrychus minutus) hunting in reeds, Bulgaria. Horizontal version of 01609394. Highly honoured in the Bird Category of the Nature's Best Photography Competition 2019.

Markus Varesvuo / Red-throated Diver (Gavia stellata) calling, Iceland, June.

Markus Varesvuo / Red-throated Diver (Gavia stellata) taking off, Iceland, June.

Markus Varesvuo / Red-throated Diver (Gavia stellata) portrait, Iceland, June.

Markus Varesvuo / Hazel Grouse (Tetrastes bonasia), Kuusamo, Finland, December.

Markus Varesvuo / Hawk Owl (Surnia ulula) hunting, Kuhmo, Finland, March.

Markus Varesvuo / Great grey owl (Strix nebulosa) Kuhmo, Finland, March.

Markus Varesvuo / Great Grey Owl (Strix nebulosa) Kuhmo Finland, March.

Markus Varesvuo / Great Grey Owl (Strix nebulosa) hunting over snow, Kuhmo Finland, March.

Markus Varesvuo / Goshawk (Accipiter gentilis) plucking a Willow Grouse (Lagopus lagopus) Liminka, Finland, March.

Markus Varesvuo / Golden eagle (Aquila chrysaetus), Kuusamo, Finland, January.

Markus Varesvuo / Golden eagle (Aquila chrysaetus) landing in snow, Kuusamo, Finland, December..

Markus Varesvuo / Bullfinch (Pyrrhula pyrrhula) in flight, Kuusamo, Finland, March.

Markus Varesvuo / Black-throated Diver (Gavia arctica) Vaala Finland, June.

Markus Varesvuo / Black-throated Diver (Gavia arctica) Vaala Finland, June.

Markus Varesvuo / Black Woodpecker male (Dryocopus martius) Finland, February.

Markus Varesvuo / White-tailed Eagle (Haliaetus albicilla) Norway, November.

Markus Varesvuo / Sparrowhawk (Accipiter nisus) adult female, Norway, October.

Stefan Christmann / Emperor penguin (Aptenodytes forsteri) two adults brooding chicks age 5 weeks, Antarctica. Highly commended in the Polar Passion Category of the Nature's Best Photography Awards 2019.

Ismaele Tortella / Northern gannet (Morus bassanus) colony, chick climbing back into nest, with the midnight sun, Norway, July

Ismaele Tortella / White tailed eagle (Haliaeetus albicilla) catching fish, Lofoten, Norway, August.

Ismaele Tortella / Black-legged kittiwake (Rissa tridactyla) nesting above a window, Lofoten, Norway, August.

Ismaele Tortella / Tracking shot of a Whooper swan (Cygnus cygnus) family walking, Lofoten, northern Norway, August.