Black-Legged Kittiwake (Rissa tridactyla) adult feeding a chick on the nest, Iceland, Polar Regions

Black-Legged Kittiwake (Rissa tridactyla) adult and chick on the nest, Iceland, Polar Regions

Black-Legged Kittiwake (Rissa tridactyla) adult and two chicks on the nest, Iceland, Polar Regions

Black Legged Kittiwake (Rissa tridactyla) and Northern Fulmar (Fulmarus glacialis) flee from a large calving of ice of the face of a glacier in northern Svalbard in the high Arctic.

Black Legged Kittiwake (Rissa tridactyla) standing on a glacier in Svalbard in the high Arctic.

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) 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.

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

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

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

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

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

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