15 May, 2010

Blue-grey Gnatcatcher


Scientific Name: Polioptila caerulea

Population Estimate: 57M, Least Concern status

Range / Habitat: Their breeding habitat includes open deciduous woods and shrublands in southern Ontario, the eastern and southwestern United States, and Mexico. Among gnatcatcher species, this is in the only one to breed in eastern North America.

Field Notes: Tiny, long-tailed all grey bird, with belly lighter than back. May overlap with Black-tailed Gnatcatcher. May also be confused with Plumbeous Vireo, who has incomplete and thick eye ring, stouter bill, shorter tail, and white wing bars. The Grey Vireo is much less common with limited range, and typical vireo size, stance, weak wing bar, and faint "spectacle" spot in front of eye.

Personal Notes: When we first saw this bird in San Blas, Mexico we thought it looked like a "mini mockingbird." I still think it does.

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