Daily Bird 009 - Calonectris diomedea

Calonectris diomedea.
A large shearwater in the seabird family Procellariidae. 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. This bird flies with long glides, and always with wings bowed and angled slightly back, unlike the stiff, straight-winged flight of the similarly-sized Great Shearwater.

Adult description:
Brownish-grey upperparts.
White underparts.
Yellowish bill.
It lacks the brown belly patch, dark shoulder markings and black cap of Great Shearwater.


Resources:
http://en.wikipedia.org/wiki/Cory%27s_Shearwater
http://www.birdguides.com/species/species.asp?sp=11056
http://www.birdlife.org/datazone/species/index.html?action=SpcHTMDetails.asp&...

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