La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	American Wigeon Anas americana vigilance behaviour on suburban golf courses (2013)
Auteurs :	Jacob L. Berl, Auteur
Type de document :	Article
Dans :	Wildfowl (63 2013)
Article en page(s) :	105-114
Langues:	Anglais
Résumé :	Behavioural data were recorded from flocks of wintering American Wigeon Anas americana on a southern Californian (USA) golf course to test whether vigilance was related to levels of local human activity. The study site was subject to high rates of human activity, which provided an opportunity to evaluate waterfowl anti-predatory response (vigilance) when presented with frequent disturbance stimuli. Overall, human activities had no significant effect on individual vigilance behaviour while flocks grazed on golf course fairways. Vigilance patterns were instead influenced by the distance at which flocks grazed from water, flock size and the sex of the birds. Furthermore, vigilance constituted

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