Régime alimentaire hivernal du busard des roseaux, Circus aeruginosus dans les marais de Brouage (Charente Maritime)

in Annales de la Société des Sciences Naturelles de la Charente-Maritime (2004), 9(4), 389-398

The diet of European marsh harrier was studied from 555 pellets collected in the Marais de Brouage (Charente-Maritime) during four winters distributed over a 17 years period (1985-86 / 2001-02). A total ... [more ▼]

The diet of European marsh harrier was studied from 555 pellets collected in the Marais de Brouage (Charente-Maritime) during four winters distributed over a 17 years period (1985-86 / 2001-02). A total of 1074 prey items (70 taxa) were identified. The mammals are the most numerous (62.6%); three rodents represent half of the prey. The increase of coypu (Myocastor coypus) is the most important interannual variation, they currently represent more than the thrid of the prey [less ▲]