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

Sven Zacek / White-tailed sea eagle (Haliaeetus albicilla) flying over frost and snow covered forest. Tartumaa, Southern Estonia. January 2011.

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

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

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 / Gull mobbing White tailed sea eagle (Haliaeetus albicilla) with fish prey, Lake Csaj, Kiskunsagi National Park, Hungary. March.

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 (Halieetus albicilla) juvenile and adult calling on lake shore, Lake Csaj, Kiskunsagi National Park, 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 / White tailed sea eagle (Halieetus albicilla) head portrait beak open calling, Lake Csaj, Kiskunsagi National Park, Pusztaszer, 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.

Espen Bergersen / Silhouette of White-tailed eagle (haliaeetus albicilla) sitting on coastal rocks, Kvaloya, Troms, Norway, October.

Wim van den Heever / White tailed eagle (Haliaeetus albicilla) caught in a fight. Hokkaido Japan, March.

Wim van den Heever / White tailed sea eagle (Haliaeetus albicilla) group of three fighting, Hokkaido Japan, March.

Wim van den Heever / White tailed sea eagle (Haliaeetus albicilla) flying looking over shoulder, Hokkaido Japan.

Ben Hall / White-tailed eagle (Haliaeetus albicilla) in flight over mountain landscape at dusk, Iceland, January.

Wim van den Heever / White tailed sea eagle (Haliaeetus albicilla) in flight, Hokkaido, Japan, March.

Wim van den Heever / Steller's sea-eagle (Haliaeetus pelagicus) two fighting over fish watched by White tailed sea eagle (Haliaeetus albicilla) Hokkaido, Japan, February.

Wim van den Heever / White tailed sea eagle (Haliaeetus albicilla) feeding on fish on pack ice, Hokkaido, Japan, February.

Wim van den Heever / White tailed sea eagle (Haliaeetus albicilla) in flight landing, Hokkaido, Japan, February.

Bence Mate / White-tailed Eagle (Haliaeetus albicilla) flying, with Great egret (Ardea alba) in the foreground, Lake Csaj, Pusztaszer, Hungary. February. Winner of the Portfolio category of the Terre Sauvage Natur...

Danny Green / White-tailed eagle (Haliaeetus albicilla) in flight, Norway, August

Danny Green / White-tailed eagle (Haliaeetus albicilla) in flight at sunset, Norway, August

Sven Zacek / White-tailed sea eagle (Haliaeetus albicilla) in flight, against a clear blue sky, Norway, July.

Sven Zacek / White-tailed sea eagle (Haliaeetus albicilla) flying, and hunting over sea, Norway, July.

Sven Zacek / White-tailed sea eagle (Haliaeetus albicilla) flying, against a clear blue sky, Norway, July.

Danny Green / White tailed eagle (Haliaeetus albicilla) in flight with snowy background, Rausu, Japan, February

Ole Jorgen Liodden / White-tailed eagle (Haeliaeetus albicilla) perched on snowy snag with wings raised, Flatanger, Norway, January.

Markus Varesvuo / White-tailed eagle (Haliaeetus albicilla) and hooded crow (Corvus cornix), Norway, October.

Markus Varesvuo / White-tailed eagle (Haliaeetus albicilla) with two fish in talons, Norway, October.

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

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

Markus Varesvuo / White-tailed Eagle (Haliaeetus albicilla) in flight with mountains in background, Hokkaido, Japan, February

Markus Varesvuo / White-tailed Eagle (Haliaeetus albicilla) landing on snowy rock, Norway, November

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

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

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

Bence Mate / Hooded crow (Corvus coronix) and Eurasian Magpie (Pica pica) waiting to scavenging White tailed eagle's (Haliaeetus albicilla) food, Pusztazer, Hungary.

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

Bence Mate / White-tailed Eagle (Haliaeetus albicilla) with muddy fish slipping from its claws as it flies up from the water. Hungary. Highly commended in the Birds category, GDT Competition 2013

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

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

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.

Peter Cairns / 2020VISION / Claire Smith (RSPB) and MSP Stewart Stevenson and others on arrival of Norwegian White tailed sea eagle chicks (Haliaeetus albicilla) at Edinburgh airport, part of the East Scotland Sea Eagle reintrod...

Peter Cairns / 2020VISION / RSPB staff member holding White tailed sea eagle chick (Haliaeetus albicilla) part of the East Scotland Sea Eagle reintroduction project, Fife, Scotland, UK, June 2011. Did you know? Sea eagles were w...

Markus Varesvuo / White-tailed Eagle (Haliaetos albicilla) in flight. Lokka, Finland, April.

Markus Varesvuo / White-tailed Eagle (Haliaetus albicilla) turning in flight over snow. Lokka, Finland, April.

Markus Varesvuo / White-tailed Eagle (Haliaeetus albicilla) in flight with a fish it has just caught. Norway, July.

Roy Mangersnes / Silhouette of White-tailed eagle (Haliaeetus albicilla) in flight with freshly caught fish, Flatanger, Norway, July. HIGHLY COMMENDED, BIRDS category, WILDLIFE PHOTOGRAPHER OF THE YEAR COMPETITION 20...

Markus Varesvuo / White-tailed Sea Eagle (Haliaeetus albicilla) being attacked by a Common Gull (Larus canus) in flight. Norway, July. Magic Moments book plate, page 50.

Markus Varesvuo / White-tailed Sea Eagle (Haliaeetus albicilla) being attacked by a Common Gull (Larus canus) in flight. Norway, July. Magic Moments book plate, page 51.

Markus Varesvuo / White tailed sea eagle (Haliaetus albicilla) flying, Norway, July

Sven Zacek / White-tailed sea eagle (Haliaeetus albicilla) at sunset, silhouetted in flight, hunting for fish, Atlantic ocean, Flatanger, Norway, Scandinavia.

Wild Wonders of Europe / Widstrand / White tailed sea eagle (Haliaeetus albicilla) and Greater black backed gull (Larus marinus) in flight, Flatanger, Norway, August 2008

Wild Wonders of Europe / Widstrand / White tailed sea eagle (Haliaeetus albicilla) in flight being mobbed by Greater black backed gull (Larus maritimus) Flatanger, Norway, August 2008

Wild Wonders of Europe / della Ferrera / Juvenile White tailed eagle (Haliaeetus albicilla) in an Slovenian / Common oak (Quercus robur) forest, Lonjsko Polje Nature Park, Ramsar Site, Sisack-Moslavina county, Slavonia region, Posavina area,...

Wild Wonders of Europe / Widstrand / White-tailed sea eagle (Haliaetus albicilla) about to catch fish, silhouetted, Norway, June 2008

Wild Wonders of Europe / Widstrand / White tailed sea eagle (Haliaetus albicilla) in flight, Flatanger, Norway, June 2008

Wild Wonders of Europe / Widstrand / White-tailed sea eagle (Haliaeetus albicilla) stretching wings, Flatanger, Norway, December 2008

Wild Wonders of Europe / Widstra / White-tailed sea eagle (Haliaetus albicilla) about to take fish from water, Flatanger, Norway, June 2008. WWE INDOOR EXHIBITION

David Tipling / White-tailed sea eagle {Haliaeetus albicilla} in flight, Nemuro Channel, Hokkaido, Japan, February

Wild Wonders of Europe / Widstrand / White tailed sea eagle (Haliaeetus albicilla) in flght carrying fish silhouetted at sunset, Flatanger, Nord Trndelag, Norway, August 2008

Wild Wonders of Europe / Widstrand / White tailed sea eagle (Haliaeetus albicilla) in flight silhouetted against an orange sky, Flatanger, Nord Trndelag, Norway, August 2008

Wild Wonders of Europe / Widstrand / Tail of a flying White tailed sea eagle (Haliaeetus albicilla) Flatanger, Nord Trndelag, Norway, August 2008

Wild Wonders of Europe / Widstrand / White tailed sea eagle (Haliaeetus albicilla) in flight, Flatanger, Nord Trøndelag, Norway, August 2008

Wild Wonders of Europe / Widstrand / White tailed sea eagle (Haliaeetus albicilla) hunting, North Atlantic, Flatanger, Nord-Trndelag, Norway, August 2008

Niall Benvie / White tailed sea eagle mantling prey {Haliaeetus albicilla} Norway

David Kjaer / White tailed sea eagle {Haliaeetus albicilla} fishing, off Isle of Skye, Scotland. Sequence 2/3

David Kjaer / White tailed sea eagle catching fish {Haliaeetus albicilla} Skye, Scotland, UK

Chris Gomersall / White tailed sea eagle flying {Haliaeetus albicilla} Scotland, UK

David Pike / White tailed eagle {Haliaeetus albicilla} Nemuro straits Japan

Pete Cairns / White tailed sea eagle juveniles fighting {Haliaeetus albicilla} Norway

David Kjaer / White tailed sea eagle feeds on rabbit {Haliaeetus albicilla} UK

Niall Benvie / White tailed sea eagle adult bird. Sor Trondelag, Norway, Scandinavia, Europe

Niall Benvie / White tailed sea eagle immature bird and Hooded crow. Sor Trondelag, Norway, Scandinavia, Europe

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

Espen Bergersen / White-tailed eagle (Haliaeetus albicilla) with herring, gulls in air. Troms, Norway. November.

Staffan Widstrand / White-tailed eagle (Haliaeetus albicilla) Nemunas Delta Nature Reserve, Lithuania.

Mike Read / White-tailed eagle (Haliaeetus albicilla) adult in flight calling, Loch na Keal, Isle of Mull, Inner Hebrides, Argyll and Bute, Scotland, UK, May