Le taux de survie annuel des adultes chez le puffin cendré Calonectris diomedea borealis de l' île Selvagem Grande (30° 09 N, 15° 52 W)

Abstract

The gathering of data since 1978 in 4 colonies of Cory's Shearwaters of the Selvagem Grande Island on slightly over 2000 ringed birds has enabled us to assess the annual survival rate of the adults. The various samples used give results varying between 0.