Black-throated Blue Warbler (Setophaga caerulescens), Dateland, Yuma County

This Black-throated Blue Warbler was found by a group that included Scott and Erin Olmstead, Chris McCreedy, and Claire Skinner and photographed by Chris McCreedy on 23 October 2016

Casual migrant (mainly in fall and typically in October or later) and winter visitor. 

Unmistakable. Dirty blue above, white below, broad black mask tapers downward to sides of upper breast, large white "check" on wings.

23 October 2016, photo by Chris McCreedy

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