Anup Shah / African fish eagle {Haliaeetus vocifer} defends Lesser flamingo carcass from Marabou storks {Leptoptilos crumeniferus}, Lake Nakuru, Kenya.

Anup Shah / Juvenile Tawny or African Sea Eagle defending flamingo carcass from Marabou stork {Lepitoptilos crumeniferous}

Anup Shah / African fish eagle {Haliaeetus vocifer} fighting Marabou storks {Leptoptilos crumeniferus} over Lesser flamingo carcass, Lake Nakuru, Kenya.

Doug Perrine / Spotted eagle ray from underneath {Aetobatus narinari} Caribbean Sea (Non-ex).

Dave Watts / Wedge-tailed eagle {Aquila audax fleayi} tasmanian sub species, adult portrait, Australia

Jami Tarris / Golden Eagle (Aquila chrysaetos) huntress, Altai Mountains, Bayan Ulgii, Mongolia

Staffan Widstrand / Tawny eagle (Aquila rapax) in flight, about to land, Zimanga Private Nature Reserve, KwaZulu Natal, South Africa

SCOTLAND: The Big Picture / Golden eagle (Aquila chrysaetos) adult with nest material on eyrie with chick showing background, Isle of Lewis, Scotland, UK., May.

David Pattyn / Golden eagle (Aquila chrysaetos) in flight in front of a vertical rocky mountain side, Gran Paradiso National Park, Aosta Valley, Italy, May

Alan Murphy/ BIA / Bald Eagle (Haliaeetus leucocephalus) fishing, Alaska

Alan Murphy/ BIA / Bald Eagle (Haliaeetus leucocephalus) fishing, Alaska

David Gallan / Slow motion clip of a Wedge-tailed eagle (Aquila audax) landing in nest, Mimosa National Park, New South Wales, Australia , September.

Staffan Widstrand / Golden eagle (Aquila chrysaetos) perched in snow covered tree. Kalvtrask, Vasterbotten, Lapland, Sweden. January.

Staffan Widstrand / Golden eagle (Aquila chrysaetos) in flight over snow. Kalvtrask, Vasterbotten, Lapland, Sweden. January.

Winfried Wisniewski / Tawny Eagle (Aquila rapax) flying, KwaZulu-Natal, South Africa

Daniel J. Cox / White-tailed Eagle (Haliaeetus albicilla) hunting, Hokkaido, Japan

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

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

Marion Vollborn/ BIA / Bald Eagle (Haliaeetus leucocephalus) flying, Alaska

Alan Murphy/ BIA / Bald Eagle (Haliaeetus leucocephalus) hunting, Alaska

Alan Murphy/ BIA / Bald Eagle (Haliaeetus leucocephalus) in snowfall, Alaska

Alan Murphy/ BIA / Bald Eagle (Haliaeetus leucocephalus) hunting in snow fall, Alaska

Alan Murphy/ BIA / Bald Eagle (Haliaeetus leucocephalus) hunting, Alaska

Alan Murphy/ BIA / Bald Eagle (Haliaeetus leucocephalus) flying, Alaska

SCOTLAND: The Big Picture / Female Golden eagle (Aquila chrysaetos) feeding its chick in a nest in a pine tree, Glen Tanar, Cairngorms National Park, Scotland, UK, June.

Thomas Hinsche/ BIA / White-tailed Eagle (Haliaeetus albicilla) flying, Poland

Alan Murphy/ BIA / Bald Eagle (Haliaeetus leucocephalus) striking at fish, Alaska

Alan Murphy/ BIA / Bald Eagle (Haliaeetus leucocephalus) striking at fish, Alaska

Alan Murphy/ BIA / Bald Eagle (Haliaeetus leucocephalus) flying, Alaska

Alan Murphy/ BIA / Bald Eagle (Haliaeetus leucocephalus) flying, Alaska

Alan Murphy/ BIA / Bald Eagle (Haliaeetus leucocephalus) striking at fish, Alaska

Alan Murphy/ BIA / Bald Eagle (Haliaeetus leucocephalus), Alaska

Peter Cairns / Golden eagle (Aquila chrysaetos) feeding on red deer carcass, Assynt, Scotland. Highly commended in the Habitat category of the BWPA (British Wildlife Photography Awards) 2016.

Bence Mate / Juvenile White tailed sea eagles (Haliaeetus albicilla) fighting for fish in mid air, Lake Csaj, Kiskunsagi National Park, Hungary. February.

Bence Mate / White tailed sea eagle (Haliaeetus albicilla) interacting with Great egret (Ardea alba) Lake Csaj, Kiskunsagi National Park, Hungary. January.

Bence Mate / Hooded crow (Corvus cornix) mobbing Buzzard (Buteo buteo) Lake Csaj, Kiskunsagi National Park, Pusztaszer, Hungary. January.

Bence Mate / White tailed eagles (Haliaeetus albicilla) juveniles in flight, Lake Csaj, Kiskunsagi National Park, Hungary. January.

Bence Mate / Herring gull (Larus argentatus) mobbing White tailed sea eagle (Haliaeetus albicilla) with fish prey, Lake Csaj, Kiskunsagi National Park, Hungary. March.

Bence Mate / White tailed eagle (Haliaeetus albicilla) with fish in beak , Lake Csaj, Kiskunsagi National Park, Pusztaszer, Hungary. January.

Bence Mate / White tailed eagle (Haliaeetus albicilla) juvenile feeding on fish, Lake Csaj, Kiskunsagi National Park, Pusztaszer, Hungary. February.

Bence Mate / White tailed sea eagle (Haliaeetus albicilla) and Hooded crow (Corvus cornix) in snow, Lake Csaj, Kiskunsagi National Park, Hungary. January.

Bence Mate / Juvenile White tailed eagle (Haliaeetus albicilla)in flight, with Hooded crow (Corvus cornix) mobbing it, Lake Csaj, Kiskunsagi National Park, Pusztaszer, Hungary. January.

Bence Mate / White tailed eagles (Haliaeetus albicilla) two juveniles fighting in flight, Lake Csaj, Kiskunsagi National Park, Pusztaszer, Hungary. January.

Bence Mate / White tailed eagle (Haliaeetus albicilla) juvenile feeding on fish, Lake Csaj, Kiskunsagi National Park, Pusztaszer, Hungary. February.

David Pattyn / Martial eagle (Polemaetus bellicosus) perched on a branch. Masai Mara National Reserve, Kenya, Africa, August.

Matthias Breiter / Bald Eagle (Haliaeetus leucocephalus) on iceberg, LeConte Bay, Tongass National Forest, Alaska

Markus Varesvuo / Golden eagle (Aquila chrysaetos) plucking Capercaillie (Tetrao urogallus) Kuusamo, Finland, April.

Ben Hall / Steppe eagle (Aquila nipalensis) in flight against autumn colours, Czech Republic, November. Captive.

Alan Murphy / Bald Eagle (Haliaeetus leucocephalus) flying with fish prey, Alaska

Alan Murphy / Bald Eagle (Haliaeetus leucocephalus) flying, Alaska

Alan Murphy / Bald Eagle (Haliaeetus leucocephalus) pair fighting, Alaska

Kristel Richard / Eagle hunter mounted on Mongolian horse with his female Golden eagle (Aquila chrysaetos) at Eagle Hunters Festival, near Sagsai, Bayan-Ulgii Aymag, Mongolia. September 2014..

Bruno de Faveri / White-tailed Eagle (Haliaeetus albicilla) pair fighting, Poland

Thomas Marent / White-tailed Eagle (Haliaeetus albicilla) on ice floe, Rausu, Hokkaido, Japan

Thomas Marent / Steller's Sea Eagle (Haliaeetus pelagicus) flying, Rausu, Hokkaido, Japan

Thomas Marent / Steller's Sea Eagle (Haliaeetus pelagicus) group on ice floe, Rausu, Hokkaido, Japan

Ben Cranke / Golden Eagle (Aquila chrysaetos) in flight, Finland. February.

Markus Varesvuo / Close-up of head and wing of White-tailed Eagle (Haliaetus albicilla) in flight, Sodankyls, Lokka, Finland, April

Markus Varesvuo / White-tailed Eagle (Haliaetus albicilla) in flight, Norway, August

Markus Varesvuo / White-tailed sea eagle (Haliaeetos albicilla) flying through woodland, Kuusamo, Finland, April

Markus Varesvuo / White-tailed sea eagle (Haliaeetos albicilla) in flight over snow, Lokka, Finland, April

Markus Varesvuo / Golden Eagles (Aquila chrysaetos) mating in snowy forest clearing. Kuusamo, Finland, February

Markus Varesvuo / Golden Eagles (Aquila chrysaetos) mating in snowy forest clearing. Kuusamo, Finland, February

Markus Varesvuo / Golden Eagle (Aquila chrysaetos) flying, Utajrvi, Finland, January

Markus Varesvuo / Golden Eagle (Aquila chrysaetos) flying over snow, Utajrvi, Finland February

Markus Varesvuo / White-tailed Eagle (Haliaetus albicilla) in flight. Merikotka, Norway August

Markus Varesvuo / Golden Eagle (Aquila chrysaetos), juvenile standing in the snow. Utajrvi, Finland. February.

Markus Varesvuo / White-tailed Eagle (Haliaetus albicilla) in flight. Norway, August 2005

Markus Varesvuo / Ravens mobbing White-tailed Eagle (Haliaetus albicilla) Kuusamo, Finland. April

Markus Varesvuo / Golden Eagle (Aquila chrysaetos) in flight. Utajrvi, Finland. February

Markus Varesvuo / Golden Eagle (Aquila chrysaetos) in flight. Utajrvi, Finland. February

Markus Varesvuo / Golden Eagle (Aquila chrysaetos) in flight. Utajrvi, Finland. February

Markus Varesvuo / Golden Eagle (Aquila chrysaetos) in flight being harrassed by raven. Utajrvi, Finland. February

Markus Varesvuo / Eagle Owl (Bubo bubo) looking down, Finland

Hiroya Minakuchi / White-tailed Eagle (Haliaeetus albicilla) flying, Hokkaido, Japan

Roger Powell / Spanish imperial eagle (Aquila adalberti) perched on a rock and stretching its wings, Castro Verde, Alentejo, Portugal, April.

Danny Green / White tailed Sea Eagle (Haliaeetus albicilla) in flight, Norway, July. Bookplate from Danny Green's 'The Long Journey North'

Andy Trowbridge / White-tailed sea eagle (Haliaeetus albicilla) in flight. Flatanger, Norway, May.

Markus Varesvuo / White-tailed Eagle (Haliaeetus albicilla) mobbed by common gull (Larus canus) Flatanger, Norway, July

Markus Varesvuo / Golden Eagle (Aquila chrysaetos) portrait in snow, Utajarvi, Finland February

Mark Carwardine / A cloud of Straw-coloured fruit bats (Eidolon helvum) with an immature African fish eagle (Haliaeetus vocifer) flying amongst them, Kasanka National Park, Zambia, Africa

Stefan Huwiler / Golden Eagle (Aquila chrysaetos), adult defending carcass from Red Fox (Vulpes vulpes), Sinite Kamani National Park, Bulgaria, Europe. February

Stefan Huwiler / Golden Eagle (Aquila chrysaetos) adult defending carcass from Red Fox (Vulpes vulpes), Sinite Kamani National Park, Bulgaria, Europe. February. Commended, Behaviour : Birds category, Wildlife Photogra...

Staffan Widstrand / Golden eagle (Aquila chrysaetos) close up in snow with Red fox (Vulpes vulpes). Photographed at a wildlife watching facility, the fox was shot by local hunters as a standard wildlife management practi...

Markus Varesvuo / Golden eagle (Aquila chrysatus) with wings outstretched in snow, Utajarvi, Finland, January

Diane McAllister / Bateleur eagle (Terathopius ecaudatus) perched in tree, Tanzania, Africa.

Roy Mangersnes / Golden eagle (Aquila chrysaetos) perched on a dead pine tree, Southern Norway, December

Roy Mangersnes / Golden eagle (Aquila chrysaetos) perched on dead pine tree, Southern Norway, December

Laurie Campbell / White-tailed sea eagle (Haliaeetus albicilla) portrait, captive, Strathspey, Scotland, July

Laurie Campbell / Golden eagle (Aquila chrysaetos) chick, one week, in eyrie showing egg-tooth on tip of bill, Argyll, Scotland, early May

Laurie Campbell / Golden eagle (Aquila chrysaetos) falconer's bird perched in scots pine (controlled) Southern Scotland, February

Juan Carlos Munoz / Two White Tailed Sea Eagle (Haliaeetus albicilla) fighting in acrobatic flight as Raven (Corvus corax) looks on. Scandinavia, April. 5th, 2010 Euronatur Wildlife photographer competition.

Juan Carlos Munoz / Two White Tailed Sea Eagle (Haliaeetus albicilla) fighting in acrobatic flight as Raven (Corvus corax) looks on and a Herring Gull (Larus argentus) flies past. Scandinavia, April.

Juan Carlos Munoz / White Tailed Sea Eagles (Aliaeetus albicilla) flying above snow with a Raven (Corvus corax) landed. Scandinavia, Europe, April.

Mark Hamblin / 2020VISION / White-tailed sea eagle (Haliaeetus albicilla) 5 week chick feeding on prey in nest in Scots pine tree (Pinus sylvestris), Beinn Eighe NNR, Highlands, NW Scotland, UK, June

Grzegorz Lesniewski / White-tailed Sea Eagle (Haliaeetus albicilla) standing in shallow water. Biebrza National Park, Biebrza Marshes, Poland, July.