667. Dendroica virens 

 BLACK-THROATED GREEN WARBLER. 5 inches 



Male. Above olive-green ; sides of head yellow ; wing bars and 

 tail spots white. Below, throat and breast black ; belly white. 

 Female. Similar, but colors duller ; no black on the throat. 

 Common in Massachusetts in pine woods. Arrives about May 1. 

 Song. " Trees, trees, murmuring trees" given rapidly. 

 Nest. In an evergreen tree in the woods. 

 Breeds. Throughout New England. 



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