adult male (Florida, USA; 2011-11-24)


Black-throated Blue Warbler
Dendroica caerulescens

Native Range: North America

Notes: rather stocky and short-necked; strong sexual dimorphism but both sexes can be told by distinctive square white patch on the side of the wing.


bluish back, square white wing patch (Florida, USA; 2011-11-24)

black throat, snow-white breast and belly (Florida, USA; 2011-11-24)

female; square white wing patch (Florida, USA; 2011-11-24)

white eye-stripe and arc below eye (Florida, USA; 2011-11-24)