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Corvid survey techniques and the relationship between corvid relative abundance and nest predation

J. M. Luginbuhl, Auteur ; J. M. Marzluff, Auteur ; J. E. Bradley, Auteur ; M. G. Raphael, Auteur ; D. E. Varland, Auteur

Dans Journal of Field Ornithology (72(4) FAL 2001)

We conducted a four-year study on the Olympic Peninsula of Washington to assess the relationship between corvid (Gray Jay [Perisoreus canadensis], Steller's Jay [Cyanocitta stelleri], American Crow [Corvus brachyrhynchos] and Common Raven [Corvu[...]

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