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

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