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Difference between revisions of "Razorbill" - BirdForum Opus

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;Alca torda
 
;Alca torda
[[Image:Razorbill.jpg|thumb|550px|right|Photo by johnmoonie]]
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[[Image:Razorbill.jpg|thumb|550px|right|Photo by johnmoonie <br/>Photographed: Farne Islands]]
 
==Identification==
 
==Identification==
Photographed: Farne Islands
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38-43 cm in length, with a 60-69 cm wingspan. It is the only member of the genus Alca.
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 +
Adult birds have black upperparts and a white breast and belly. The bill is thick and black with a blunt end. The tail is pointed and long. In winter, the black face becomes white.
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==Distribution==
 
==Distribution==
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Northern Atlantic coasts, in eastern [[North America]] as far south as Maine, and in western [[Europe]] from northwestern [[Russia]] to northern [[France]].
 
==Taxonomy==
 
==Taxonomy==
 
==Habitat==
 
==Habitat==
 +
Islands, rocky shores and cliffs
 
==Behaviour==
 
==Behaviour==
 +
They nest in colonies and eggs are laid on bare rock.  They swim underwater and forage for food.  They eat sand eels, herring, some crustaceans and marine worms.
 
==Bird Song==
 
==Bird Song==
 
<flashmp3>Alca torda (song).mp3</flashmp3><br />
 
<flashmp3>Alca torda (song).mp3</flashmp3><br />

Revision as of 14:20, 20 September 2007

Alca torda
Photo by johnmoonie
Photographed: Farne Islands

Identification

38-43 cm in length, with a 60-69 cm wingspan. It is the only member of the genus Alca.

Adult birds have black upperparts and a white breast and belly. The bill is thick and black with a blunt end. The tail is pointed and long. In winter, the black face becomes white.

Distribution

Northern Atlantic coasts, in eastern North America as far south as Maine, and in western Europe from northwestern Russia to northern France.

Taxonomy

Habitat

Islands, rocky shores and cliffs

Behaviour

They nest in colonies and eggs are laid on bare rock. They swim underwater and forage for food. They eat sand eels, herring, some crustaceans and marine worms.

Bird Song

<flashmp3>Alca torda (song).mp3</flashmp3>
Listen in an external program

External Links

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