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Miguel Lecoq (Eco-Ethology Research Unit, ISPA-Instituto Universitário, Lisbon, Portugal) and colleagues writing in the journal Airo last year report on the numbers of Cory's Shearwaters Calonectris diomedea borealis breeding on the Portuguese Berlengas Islands on the Atlantic coast of the Iberian Peninsula.

The 2011 survey resulted in an estimated 980-1070 breeding pairs on 10 islands and islets within the archipelago.

Cory's Sheawater.  Photograph by Paulo Catry

Reference:

Lecoq, M., Ramírez, I, Geraldes, P. & Andrade, J. 2011.  First complete census of Cory's Shearwaters Calonectris diomedea borealis breeding at Berlengas Islands (Portugal), including the small islets of the archipelago.  Airo 21: 31-34.

John Cooper, ACAP Information Officer, 11 May 2012