Contribution a l' ornithologie de l' Archipel du Cap Vert: reproducteurs menaces d' extinction, nicheurs occasionnels, oiseaux mentionnes par erreur

Abstract

Various aspects of insular faunas deserve special mention as for instance: species diversity; expansions and extinctions, etc. ... The number of the species concerned need to be known with accuracy. The author names 5 species that are threatened with exti