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Own every animal of the family Alcidae.
Auks are seabirds of the cold seas of the Northern Hemisphere. They dive and swim underwater, using their short wings like paddles. Many nest in large colonies on sea cliffs. Others prefer burrows by the ocean. Their plumage is often black and white.
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Alcidae
Cepphus grylle · Least concern
It hunts on the sea floor: the black guillemot, or tystie, sticks to rocky coasts and dives close to shore, usually 15 to 20 m down to the bottom, sometimes to at least 43 m. This black seabird wears a large white wing patch.
Photo: No machine-readable author provided. Kelson assumed (based on copyright claims). (Public domain)
Alcidae
Uria aalge · Least concern
The common murre builds no nest at all. Its single egg sits on a bare rock ledge of a sea cliff, held between the parent's feet for about 30 days. At sea the bird 'flies' underwater with its wings, usually 30 to 60 m down, and dives to 180 m have been recorded.
Photo: Charles J. Sharp (CC BY-SA 4.0)
Alcidae
Alle alle · Least concern
A rock crevice does not always keep its egg safe: polar bears have been reported eating them. Half the size of an Atlantic puffin, the little auk breeds in huge numbers on high Arctic islands such as Svalbard, laying a single pale blue-green egg. It catches its plankton by sight, sucking it in.
Photo: Michael Haferkamp (CC BY-SA 3.0)
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