Black-throated Blue Warbler – Dendroica caerulescens 6/4/13

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Black-throated Blue Warbler - Dendroica caerulescens 6/4/13

Black-throated Blue Warbler – Dendroica caerulescens 6/4/13

Black-throated Blue Warbler – Dendroica caerulescens 6/4/13