| Common Name: | Gnatcatcher, Blue-gray | | Scientific Name: | Polioptila caerulea | | Family: | Sylviidae | | Area: | River Island State Park, Arizona | | Date: | October 30, 2012 | 
White under-tail identifies this as a Blue-gray Gnatcatcher in contrast to the Black-tailed Gnatcatcher which has a black under-tail. Also notice the black eye brows which would indicate that this is a male Blue-gray Gnatcatcher. | | Reference: | Kaufman Field Guide to Birds of America by Kaufman |
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