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Sex-specific food provisioning in a monomorphic seabird, the common guillemot Uria aalge: nest defence, foraging efficiency or parental effort?

Chris B. Thaxter, Auteur ; Francis Daunt, Auteur ; Keith C. Hamer, Auteur ; Yutaka Watanuki, Auteur ; Mike P. Harris, Auteur ; David Grémillet, Auteur ; Gerrit Peters, Auteur ; Sarah Wanless, Auteur

Dans Journal of Avian Biology (40(1) JAN 2009)

Sexual differences in food provisioning rates of monomorphic seabirds are well known but poorly understood. Here, we address three hypotheses that attempt to explain female-biased food provisioning in common guillemots Uria aalge: (1) males spen[...]

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