Black-throated Blue Warbler

Dendroica caerulescens

 (L 5.25" WS 7.75" Wt 0.36 oz)

Summers in northeast U.S.
into Canada...winters in the
Carribean...how nice!

Thatcher Woods, IL

10May2010

Columbus Park

Chicag, 09Sept 2012

flash
photos

Note the white
wing patch.