5. SHARPLY DEFINED BLACK AND WHITE MARKINGS. 



Black crown and throat; gray back: 5 in. — CHICKADEE. 



Black and white streaked bird ; black crown ; 5 in.— BLACK POLL WARBLEE, 



Black and white streaked bird; striped crown— BLACK AND WHITE WARBLER 



Slate head, breast and back ; white below and outer tail feathers — J UNCO. 



White throat; g-ray breast; crown striped black and white — WHITE-THROATED 

 SPARROW. 



Large white crown patch edg-ed with black; lig-ht below— WHITE-CROWNED 

 SPARROW. 



Black body ; yellowish nape ; white rnmp and on wing-s — BOBOLINK. 



Black crown I gray back; climbs down trees— WHIIE-BREASTED NUTHATCH. 



Dull gray birds with no markings may be FLYCATCHERS. 



Dull broWnish, streaked birds are probably species of SPARROWS. 



Plain greenish backs and dull white underparts denote VIREOS. 



Glossy blackbirds are GRACKLES or CROWS; if with red shoulders, RED- 

 WINGED BLACKBIRD ; with dull brown head, COWBIRD. 



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