La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Do domestic cats impose an unsustainable harvest on urban bird populations?
Auteurs :	Yolanda van Heezik, Auteur ; Amber Smyth, Auteur ; Amy Adams, Auteur ; Joanna Gordon, Auteur
Type de document :	Article
Dans :	Biological Conservation (143(1) JAN 2010)
Article en page(s) :	121-130
Langues:	Anglais
Résumé :	We assessed the impact of domestic cats on population persistence of native and exotic urban bird populations using a model adjusted for habitat-specific catch rates, cat ownership and hunting activity data. GPS-derived home ranges of 32 cats and resource selection indices demonstrated the degree of penetration and preference for native vegetation fragments. Owners reported on prey brought back by 144 domestic cats in Dunedin, New Zealand, during 12 months. One third of cats never brought back prey, and 21% returned more than one item/month. Cats brought back a mean of 13.4 prey items/year (median = 4), with cats aged

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