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Cassin's Vireo

Vireo cassinii ORDER: PASSERIFORMES FAMILY: VIREONIDAE

IUCN Conservation Status: Least Concern

A common bird of the far western forests, the Cassin's Vireo is conspicuous for its constant singing. Formerly lumped as a "Solitary Vireo" with the Plumbeous and Blue-headed vireos, it is now considered a separate species.

Calls

  • song
     
  • Courtesy of Macaulay Library
    © Cornell Lab of Ornithology.

Song a broken series of slightly burry whistled notes, inflected upwardly and then downwardly. Calls a series of short harsh notes.

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bird image Blue-winged Warbler by Brian Sullivan

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