Black-throated Blue Warbler Photo by Rob Dickerson

Black-throated Blue Warbler Photo by Rob Dickerson

Black-throated Blue Warbler

Setophaga caerulescens

Adult male

© Robert Dickerson

https://www.flickr.com/photos/robmtdew/

Location: United States > Pennsylvania > Mifflin
Date: May 10, 2015

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