Razorbill

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Razorbill
Photo: Razorbill
Scientific classification
Kingdom:Animalia
Phylum:Chordata
Class:Aves
Order:Charadriiformes
Family:Alcidae
Genus:Alca
Species:A. torda
Binomial name
Alca torda
Linnaeus, 1758

The Razorbill, Alca torda, is a large alcid, 38-43 cm in length, with a 60-69 cm wingspan. It is the only member of the genus Alca (Linnaeus, 1758).

Adult birds are black on their upperparts and white on the breast and belly. The thick black bill has a blunt end. The tail is pointed and longer than that of a Murre. In winter, the black face becomes white.

Their breeding habitat is islands, rocky shores and cliffs on northern Atlantic coasts, in eastern North America as far south as Maine, and in western Europe from northwestern Russia to northern France. They usually nest in colonies and lay their eggs on bare rock or ground.

North American birds migrate offshore and south, ranging from the Grand Banks of Newfoundland to New England. Eurasian birds also winter at sea, with some moving south as far as the western Mediterranean.

These birds forage for food by swimming underwater. They mainly eat fish, like sandeels, herring and capelin, also some crustaceans and marine worms.

Missing image
Razorbill-1.jpg
Razorbill, Roest, Norway
da:Alk

gl:Arao romeiro pl:Alka krzywnosa fi:Ruokki

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