La Tour du Valat

Article

Changes in the frequency of prospecting fly-overs by Marsh Harriers Circus aeruginosus in relation to short-term fluctuations in dabbling duck abundance

H. Fritz, Auteur ; M. Guillemain, Auteur ; S. Guerin, Auteur

Dans Ardea (88(1) 2000)

Wintering waterfowl gathering in large flocks during the day may be attractive to avian predators in a way similar to that of bird colonies. The response of Marsh Harriers to changes in dabbling duck abundance was monitored on four freshwater si[...]

Plus d'information...

Ajouter au panier