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Photo courtesy of Greg Lavaty

Wilson's Warbler

Wilsonia pusilla
Passeriformes
Parulidae

Sound courtesy of Cornell Lab of Ornithology

Did you know?

In the winter, Wilson's Warblers exhibit different behaviors: many birds defend territories, some act as nonterritorial "floaters," and others join large mixed-species flocks. In coffee plantations, these warblers forage for insects directly among the coffee plants.

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Range map
Map courtesy of The Burke Museum of Natural History and Culture

Bibliography
Ammon, Elisabeth M.; William M. Gilbert. 1999. Wilson's Warbler (Wilsonia pusilla). In: The Birds of North America Online. Poole, A., editor. Ithaca: Cornell Lab of Ornithology. Accessed: October 27, 2008 <Link>.
Cornell Birds of North America Online. 2008. Cornell Lab of Ornithology; American Ornithologists' Union. Accessed: October 27, 2008 <Link>.
Greenberg, R.; Bichier, P.; Sterling, J. 1997. "Bird populations in rustic and planted shade coffee plantations of eastern Chiapas, México." Biotrópica, 29(4): 501-514.