Black legged kittywake gulls (Rissa), Hornbreen Glacier, Spitsbergen, Svalbard, Arctic, Norway, Europe

Kittiwakes (Larus tridactyla), on nests. Farne Islands, Northumberland, UK

Tourist in zodiacs looking at cliffs of Alkerfjellet with thousands of kittywakes, Svalbard, Arctic

Kittiwakes (Larus tridactyla), on nests. Farne Islands, Northumberland, UK

Adult Arctic Skua (Stercorarius parasiticus) attacking a black-legged kittiwake to force it to drop food in the Svalbard Archipelago

Adult Arctic Skua (Stercorarius parasiticus) attacking a black-legged kittiwake to force it to drop food in the Svalbard Archipelago

Adult humpback whale (Megaptera novaeangliae) sub-surface feeding among black-legged kittiwakes (Rissa tridactyla), west of Spitsbergen, Barents Sea, Norway

Wild Slaty-backed Gull (Larus schistisagus) , nesting, Tyuleniy Island, Russia, Asia MORE INFO: Gulls circle the Kittywakes colony in hope that if they fly, the gulls can swoop in and grab their exposed eggs

Adult black-legged kittiwake (Rissa tridactyla) near ice in the Svalbard Archipelago, Barents Sea, Norway

Adult black-legged kittiwake (Rissa tridactyla) near ice in the Svalbard Archipelago, Barents Sea, Norway

Wild Slaty-backed Gulls (Larus schistisagus), keeping watch ontop of bird watch hut. Tyuleniy Island, Russia, Asia MORE INFO: Gulls circle the Kittywakes colony in hope that if they fly, the gulls can swoop in and grab their exposed eggs

Kittywake (Larus tridactyla). Longyearbyen, Moffen Islands, South ice sheets, Svalbard, Norway (rr)

Adult humpback whale (Megaptera novaeangliae) sub-surface feeding among black-legged kittiwakes (Rissa tridactyla), west of Spitsbergen in the Barents Sea, Norway

Adult humpback whale (Megaptera novaeangliae) sub-surface feeding among black-legged kittiwakes (Rissa tridactyla) off the continental shelf west of Spitsbergen in the Barents Sea, Norway. Humpbacks are one of the larger rorqual species, adults range in length from 12?16 metres (40?50 ft) and weigh approximately 36,000 kilograms (79,000 lb). There are at least 80,000 humpback whales worldwide.

Adult humpback whale (Megaptera novaeangliae) sub-surface feeding among black-legged kittiwakes (Rissa tridactyla), west of Spitsbergen, Barents Sea, Norway

Adult black-legged kittiwake (Rissa tridactyla) near ice in the Svalbard Archipelago, Barents Sea, Norway

Adult humpback whale (Megaptera novaeangliae) sub-surface feeding among black-legged kittiwakes (Rissa tridactyla) off the continental shelf west of Spitsbergen in the Barents Sea, Norway. Humpbacks are one of the larger rorqual species, adults range in length from 12?16 metres (40?50 ft) and weigh approximately 36,000 kilograms (79,000 lb). There are at least 80,000 humpback whales worldwide.

Adult humpback whale (Megaptera novaeangliae) sub-surface feeding among black-legged kittiwakes (Rissa tridactyla) off the continental shelf west of Spitsbergen in the Barents Sea, Norway. Humpbacks are one of the larger rorqual species, adults range in length from 12?16 metres (40?50 ft) and weigh approximately 36,000 kilograms (79,000 lb). There are at least 80,000 humpback whales worldwide.

Adult humpback whale (Megaptera novaeangliae) sub-surface feeding among black-legged kittiwakes (Rissa tridactyla), west of Spitsbergen in the Barents Sea, Norway

Kittiwake (Larus tridactyla). Kuril Islands, Russia (rr)

Black-legged Kittiwakes (Rissa tridactyla) on nesting cliffs at the South Marble Islands in Glacier Bay National Park, Southeast Alaska, USA

Adult black-legged kittiwake (Rissa tridactyla) near ice in the Svalbard Archipelago, Barents Sea, Norway

Adult humpback whale (Megaptera novaeangliae) sub-surface feeding among black-legged kittiwakes (Rissa tridactyla), west of Spitsbergen, Barents Sea, Norway

Adult humpback whale (Megaptera novaeangliae) sub-surface feeding among black-legged kittiwakes (Rissa tridactyla), west of Spitsbergen in the Barents Sea, Norway

Adult humpback whale (Megaptera novaeangliae) sub-surface feeding among black-legged kittiwakes (Rissa tridactyla), west of Spitsbergen in the Barents Sea, Norway

Wild Black-legged Kittiwakes (Rissa tridactyla) sol, Tyuleniy Island (Bering Sea) Russia, Asia

Adult black-legged kittiwake (Rissa tridactyla) near ice in the Svalbard Archipelago, Barents Sea, Norway

Adult black-legged kittiwake (Rissa tridactyla) near ice in the Svalbard Archipelago, Barents Sea, Norway

Adult humpback whale (Megaptera novaeangliae) sub-surface feeding among black-legged kittiwakes (Rissa tridactyla), west of Spitsbergen, Barents Sea, Norway

Adult black-legged kittiwake (Rissa tridactyla) near ice in the Svalbard Archipelago, Barents Sea, Norway

Adult humpback whale (Megaptera novaeangliae) sub-surface feeding among black-legged kittiwakes (Rissa tridactyla), west of Spitsbergen in the Barents Sea, Norway

Adult humpback whale (Megaptera novaeangliae) sub-surface feeding among black-legged kittiwakes (Rissa tridactyla), west of Spitsbergen in the Barents Sea, Norway

Wild Slaty-backed Gull (Larus schistisagus) Tyuleniy Island, Russia, Asia MORE INFO: Gulls circle the Kittywakes colony in hope that if they fly, the gulls can swoop in and grab their exposed eggs

Adult black-legged kittiwake (Rissa tridactyla) near ice in the Svalbard Archipelago, Barents Sea, Norway

Adult humpback whale (Megaptera novaeangliae) sub-surface feeding among black-legged kittiwakes (Rissa tridactyla), west of Spitsbergen in the Barents Sea, Norway

Black-legged Kittiwakes (Rissa tridactyla) resting on ice calved from glaciers in Glacier Bay National Park, Southeast Alaska, USA

Adult black-legged kittiwake (Rissa tridactyla) near ice in the Svalbard Archipelago, Barents Sea, Norway

Adult humpback whale (Megaptera novaeangliae) sub-surface feeding among black-legged kittiwakes (Rissa tridactyla), west of Spitsbergen in the Barents Sea, Norway

Arctic Pole, ice sheets, evening, feeding guls and Kittywakes. Longyearbyen, Svalbard, Norway

Wild Black-legged Kittiwakes (Rissa tridactyla) sol, Tyuleniy Island (Bering Sea) Russia, Asia

Adult black-legged kittiwake (Rissa tridactyla) near ice in the Svalbard Archipelago, Barents Sea, Norway

Black-legged Kittiwakes (Rissa tridactyla) resting on ice calved from glaciers in Glacier Bay National Park, Southeast Alaska, USA

Black-legged Kittiwakes (Rissa tridactyla) resting on ice calved from glaciers in Glacier Bay National Park, Southeast Alaska, USA

Adult black-legged kittiwake (Rissa tridactyla) near ice in the Svalbard Archipelago, Barents Sea, Norway