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Geographic variation in survival and migratory tendency among North American Common Mergansers

J. M. Pearce, Auteur ; J. A. Reed, Auteur ; P. L. Flint, Auteur

Dans Journal of Field Ornithology (76(2) SPR 2005)

Movement ecology and demographic parameters for the Common Merganser (Mergus merganser americanus) in North America are poorly known. We used band-recovery data from five locations across North America spanning the years 1938-1998 to examine mig[...]

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