660. BAY-BREASTED WARBLER. S% in. 



(Dendroica castanea.) 



Ashy-brown, black-streaked; black cheeks and forehead; 

 throat, upper part of breast, sides and crown, rich chestnut- 

 brown; white wing-bars; song, soft, liquid warble. Chest- 

 nut-sided Warbler. 



661. BLACK-POLL WARBLER. 5^ in. 



(Dendroica striata.) 



Streaked black and white; black crown; white cheeks; 

 below white with line of black spots down sides; tree-tops; 

 song, a staccato musical "chink" repeated rapidly. Black 

 and White Creeper. 



662. BLACKBURNIAN WARBLER. S}i in. 



(Dendroica blackbumiae.) 



Black, streaked with white; middle of crown, throat and 

 sides of head flaming orange; black patch behind eye; white 

 wing-bars; usually, high up in evergreen trees; shrill song; 

 Female : duller. Prothonotary Warbler. 



667. BLACK-THROATED GREEN WARBLER. Syi in. 



(Dendroica virens.) 



Olive-green; bright yellow cheeks; throat and upper part of 

 breast black; tail shows much white; white wing-bars; song, 

 repeated often and rapidly, "chee, chee, chee, char, chee.'' 

 Cape May Warbler. Hooded Warbler. 



671. PINE WARBLER. 5^ in. 



(Dendroica vigorsii.) 



Olive-green; yellow breast; sides of head suffused with 

 yellowish, sometimes forming a yellow line over eye; two dull 

 white wing-bars; song, a loud, penetrating trill. Yellow- 

 bellied Flycatcher. Female Maryland Yellow-throat. Female 

 Wilson Black- cap. 



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