Reactions d' une population de Larus argentatus atlantis de l' île de Madere a des signaux acoustiques de detresse d' oiseaux europeens

Abstract

We tested acoustical distress signals of different European species of Larids, Sternids and Corvids on a population of one thousand Larus a. atlantis near Madeira. The kinds of reactions observed correspond to those already found in the European Larids; h