Titre : | Les ressources alimentaires, facteur limitant la reproduction d'une population insulaire de faucon pelerins, falco pelegrinus brookei : Alauda |
Auteurs : | Jean-Marc Thiollay |
Type de document : | article scientifique |
Année de publication : | 1982 |
Format : | 17-43 |
Résumé : | A two years study of hunting methods, success rate, energetic cost of hunting, time budget, prey selection, diet,daily intake and food availibility shows how the lack of large (profitable) migrant birds is mainly responsible for the very low reproductive success and apparent decline of an island population of Peregrine falcon. It would suggest a possible decrease in the number of transmediterranean migrant which could affect avian predators on a large scale. résumé d'auteur |