660. Dendroica castanea 

 BAY-BREASTED WARBLER. 5 1-2 inches 



Male. Above brown, streaked with black ; crown chestnut; fore- 

 head and sides of head black ; wing bars and tail spots white. 

 Below, throat, breast and sides chestnut; belly pale yellow. Female. 

 Similar, but colors duller. 



A rare migrant in Massachusetts. Arrives about the middle of 

 May. 



Song. A fine, hurried z-e-e. 



Nest. In conifers. 



Breeds. In northern New England. 



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