|Common Name:||Gnatcatcher, Blue-gray|
|Scientific Name:||Polioptila caerulea|
|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||