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Body size correlates negatively with the frequency of distress calls and songs of Neotropical birds

Joshua P. Martin, Auteur ; Stéphanie M. Doucet, Auteur ; Ryan C. Knox, Auteur ; Daniel J. Mennill, Auteur

Dans Journal of Field Ornithology (82(3) SEP 2011)

The allometric relationship between body size and song frequency has been established in previous studies of temperate and tropical bird communities. However, the relationship between body size and the frequency of distress calls has been examin[...]

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