La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	An effect of vegetation structure on carcass exploitation by vultures in an African savanna
Auteurs :	Andrew J. Bamford, Auteur ; Ara Monadjem, Auteur ; Ian C. W. Hardy, Auteur
Type de document :	Article
Dans :	Ostrich (80(3) NOV 2009)
Article en page(s) :	135-137
Langues:	Anglais
Résumé :	Carcass utilisation by vultures may be constrained by the surrounding vegetation, as high vegetation densities may leave insufficient space for the vultures to take-off. We tested this by placing carcasses at 14 sites differing in density and height of the surrounding vegetation. African White-backed Vultures Gyps africanus were reluctant to land at carcasses from which the angle required to clear the surrounding vegetation on take-off was greater than 6, and Cape Vultures Gyps coprotheres were not observed on carcasses from which the required angle of take-off was greater than 4. Increasing vegetation densities due to bush encroachment may therefore affect the two species to different extents.

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