THE WAY TO STUDY BIRDS 



Size and Shape: Length 5.9 inches. Wings 

 long. Bill thin. 



Seasonal Abundance: Arrives April ist. Is 

 common for several weeks until its disappear- 

 ance for nesting; but it is easily the first bird 

 to congregate in our swamps before migration, 

 often being seen in early July. 



Remarks: For many swampy localities near 

 New York this bird is a summer resident, not 

 a transient, but since for the majority it is 

 the latter, I have included it in this chapter. 

 The Tree Swallow breeds in nesting boxes or 

 in tree stumps. 



2. BLACK POLL WARBLER 



Haunts: Wood or thickets. 



Description: Male: crown black; cheeks 

 white; under parts white, the sides, starting at 

 the bill, streaked with black. Upper parts 

 ashy, streaked with blackish. Two white wing- 

 bars and white in tail. Female, male in fall 

 and immature: no black crown; olive-green 

 above and yellowish below. White in tail and 

 two wing-bars. 



Field-marks: Adult male in spring: black 

 crown and white wing-bars. 



Size and Shape : Length 5.6 inches. Heavily 

 built. 



Seasonal Abundance: Arrives May isth and 

 remains until the first week in June. Very 

 abundant in fall migration. 



Remarks: In the fall great difficulty is 

 experienced in distinguishing this bird from 

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