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Blue-headed vireos are the eastern component of the 'solitary' vireo complex: formerly considered a single species but now split into the plumbeous, Cassin's, and blue-headed vireo. I photographed one of these birds at the Corkscrew Swamp Sanctuary near Naples, Florida. The other was in Riverside, California, presumably an off-course migrant. There was some debate among local birders over whether the bird was Cassin's or blue-headed but most favored the latter ID. |
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