Geothlypis poliocephala
Length: 5-6 in
Wingspan: 7-9 in
Weight: 0.3-0.5 oz
Identification:
Olive brown overall, with yellow throat, black mask, and gray head.
Distribution:
Range map by Neotropical Birds
Cool Facts:
Once a regular resident of brushy fields in far southern Texas, the Gray-Crowned Yellowthroat is now only a rare visitor to the United States, with its main range stretching from northern Mexico to Panama.
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References:
Bird on the Move 