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Shearwater, Cory's
Bird Info
Bird Info
Conservation status
Scientific Name:
Calonectris borealis
Africa, Alaska, Angola, Argentina, Asia, Atlantic Islands, Australasia, Austria, Bahamas, Barbados, Belarus, Belgium, Bermuda, Bosnia and Herzegovina, Brazil, British Isles, Bulgaria, California, Canada, Caribbean, Central America and Caribbean, Central America excluding Mexico, Connecticut, Costa Rica, Cuba, Cyprus, Czech Republic, Delaware, Denmark, Dominica, Eastern Cape Province, Eastern Europe excluding Russia Read more
Related Reading
In Europe, the breeding population is estimated to number 270,000-290,000 breeding pairs, equating to 810,000-870,000 individuals (BirdLife International 2004). Europe forms 75-94% of the global range, so a very preliminary estimate of the global population size is 900,000-1,200,000 individuals. Bro ...
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This species breeds on islands and cliffs in the Mediterranean, with the odd outpost on the Atlantic coast of Iberia. The nest is on open ground or among rocks or less often in a burrow where one white egg is laid, and is visited at night to minimise predation from large gulls. In late summer and autumn, most birds migrate into the Atlantic as far north as the south-western coasts of Great Britain and Ireland. They return to the Mediterranean in February. The biggest colony is located in Savage Islands, Madeira. ...
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