Wild Wonders of Europe / Bergmann / Long tailed skua (Stercorarius longicaudus) in flight, Thingeyjarsyslur, Iceland, June 2009

Wild Wonders of Europe / Bergman / Long tailed skua (Stercorarius longicaudus) in flight, Thingeyjarsyslur, Iceland, June 2009

Rolf Nussbaumer / Long tailed skua / jaeger in flight {Stercorarius longicaudus} Norway.

Werner Bollmann / Long-tailed skua (Stercorarius longicaudus) silhouetted, Varanger Peninsula, Norway, June.

Markus Varesvuo / Long-tailed Skua (Stercorarius longicaudus) in flight, Vardo, Norway, May.

Markus Varesvuo / Long-tailed Skua (Stercorarius longicaudus) in flight, Vardo, Norway, May.

Markus Varesvuo / Long-tailed Skua (Stercorarius longicaudus) in flight, Vardo, Norway, May.

Markus Varesvuo / Long-tailed Skua (Stercorarius longicaudus) in flight, Vardo, Norway, May.

Markus Varesvuo / Long-tailed Skua (Stercorarius longicaudus) Vardo, Norway, May.

Markus Varesvuo / Long-tailed Skua (Stercorarius longicaudus) on ground, Vardo, Norway, May.

Markus Varesvuo / Long-tailed Skua (Stercorarius longicaudus) in flight, Vardo, Norway, May.

Gerrit Vyn / Long-tailed Jaeger (Stercorarius longicaudus) on its nest incubating eggs. Yukon Delta National Wildlife Refuge, Alaska, USA. May. Both sexes incubate and each sex has two brood patches. Incubating b...

Gerrit Vyn / Long-tailed Jaeger (Stercorarius longicaudus) in flight, Yukon Delta National Wildlife Refuge, Alaska, USA May.

Jussi Murtosaari / Long-tailed skua / Jaeger (Stercorarius longicaudus), nesting female, Lapland, Finland, June.

Gerrit Vyn / Long-tailed jaeger (Stercorarius longicaudus) nest and eggs in tundra. Yukon Delta National Wildlife Refuge, Alaska, USA. May.

Jussi Murtosaari / Long tailed skua (Stercorarius longicaudus) Utsjoki, Laplandi, Finland, May.

Markus Varesvuo / Long-tailed Skua (Stercorarius longicaudus) portrait, June, Norway

Markus Varesvuo / Long-tailed Skua (Stercorarius longicaudus)foraging on icesheet, Norway

Markus Varesvuo / Long-tailed Skua (Stercorarius longicaudus) back-lit, with wings outstretched, Utsjoki July, Finland,

Markus Varesvuo / Long-tailed Skua (Stercorarius longicaudus) flying low over snow, June, Norway

Markus Varesvuo / Long-tailed Skua (Stercorarius longicaudus) in flight, June, Norway

Markus Varesvuo / Long-tailed Skua (Stercorarius longicaudus) foraging on ice, June, Norway, Europe

Markus Varesvuo / Long-tailed Skua (Stercorarius longicaudus) flying, Utsjoki, Finland, July

Markus Varesvuo / Long-tailed Skua (Stercorarius longicaudus) calling while flying, Utsjoki, Finland, July

Markus Varesvuo / Long-tailed Skua (Stercorarius longicaudus) Norway July

Markus Varesvuo / Long-tailed Skua (Stercorarius longicaudus) flying, Norway, June

Roy Mangersnes / Long-tailed skua (Stercorarius longicaudus) portrait, on ice, Spitsbergen, Svalbard, Norway, June.

Sergey Gorshkov / Long-tailed jaegers (Stercorarius longicaudus) mobbing Arctic fox (Vulpes lagopus) Wrangel Island, Far Eastern Russia, June.

Jussi Murtosaari / Long-tailed Jaeger (Stercorarius longicaudus) resting on rock in habitat, Finland, July.

Jussi Murtosaari / Long-tailed Jaeger (Stercorarius longicaudus) resting on rock in habitat, Karigasniemi, Finland, July.

Jussi Murtosaari / Long-tailed Jaeger (Stercorarius longicaudus) adult, Lapland, Finland, June.

Danny Green / Long-tailed Skua (Stercorarius longicaudus) on Tundra, Svalbard, July. Bookplate from Danny Green's 'The Long Journey North'

Markus Varesvuo / Long-tailed skua (Stercorarius longicaudus) Utsjoki, Finland, July

Roger Powell / Long-tailed Skua (Stercorarius longicaudus) in rain shower on tundra vegetation, Varanger Plateau, Arctic Norway. June

Hanne & Jens Eriksen / Long tailed skua {Stercorarius longicaudus} perched on rock, Iceland, June

Hanne & Jens Eriksen / Long tailed skua {Stercorarius longicaudus} perched on rock, Iceland, June

Hanne & Jens Eriksen / Long tailed skua {Stercorarius longicaudus} perched on rock, Iceland, June

Gerrit Vyn / Adult Long-tailed Skua / Jaeger (Stercorarius longicaudus) in breeding plumage on the breeding grounds. Bathurst Island, Nunavut, Canada. June.

Roy Mangersnes / Long-tailed Skua (Stercorarius longicaudus) perched on rock in Jotunheimen National Park, with the famous hiking mountain Besseggen in the background, Oppland, Norway. July

Roy Mangersnes / Long-tailed Skua (Stercorarius longicaudus)perched on rock in Jotunheimen National Park, Oppland, Norway. July

Roy Mangersnes / Long-tailed Skua (Stercorarius longicaudus) perched on rock in Jotunheimen National Park, Oppland, Norway. July

Rolf Nussbaumer / Long-tailed Skua / Parasitic Jaeger (Stercorarius longicaudus) Gednjehogda, Norway. June 2001

Rolf Nussbaumer / Arctic skua / Parasitic Jaeger (Stercorarius longicaudus) on ground nest, Gednjehogda, Norway. June 2001

Hanne & Jens Eriksen / Long Tailed Skua {Stercorarius longicaudus} on ground, Kolyma, Siberia, Russia.

Staffan Widstrand / Long-tailed Skua / Jaeger {Stercorarius longicaudus} Ivvavik NP, Yukon, Canada.

Pete Cairns / Portrait Long tailed skua {Stercorarius longicaudus} Borgefjell NP. Sweden.

Pete Cairns / Portrait Long tailed skua {Stercorarius longicaudus} Borgefjell NP. Sweden.

Pete Cairns / Long tailed skua {Stercorarius longicaudus} in flight, Borgefjell NP, Sweden.

Pete Cairns / Portrait Long tailed skua {Stercorarius longicaudus} Borgefjell NP, Sweden.

Pete Cairns / Long tailed skua {Stercorarius longicaudus} in flight, Borgefjell NP. Sweden.

Patricio Robles Gil / Long tailed skua {Stercorarius longicaudus} Svalbard, Norway

Patricio Robles Gil / Long tailed skua {Stercorarius longicaudus} Svalbard, Norway

Asgeir Helgestad / Long tailed skua {Stercorarius longicaudus} Dividalen, Norway

Mike Read / Long tailed skua nest with eggs {Stercorarius longicaudus} Greenland

Roger Powell / Long-tailed jaeger (Stercorarius longicaudus) foraging in snow, Kongsfjord fjellet, Finnmark, Norway. June.

Roger Powell / Long-tailed jaeger (Stercorarius longicaudus) taking flight from a mound of tundra vegetation, Varanger plateau, Finnmark, Norway. May.

Roger Powell / Long-tailed jaeger (Stercorarius longicaudus) displaying, spreading wings about to take off from a mound of tundra vegetation, Varanger plateau, Finnmark, Norway. May.

Staffan Widstrand / Long-tailed skua (Stercorarius longicaudus) standing on wet ground, Varanger Peninsula, Finnmark, Norway. June.

Roger Powell / Long-tailed skua (Stercorarius longicaudus) resting on tundra. Varanger peninsula, Finnmark, Norway

Erlend Haarberg / Long-tailed skua (Stercorarius longicaudus) stretching wings. Varanger, Norway. June.

Erlend Haarberg / Long-tailed skua (Stercorarius longicaudus) portrait. Varanger, Norway. June.

Erlend Haarberg / Long-tailed skua (Stercorarius longicaudus) stretching wings. Varanger, Norway. June.