BLACK-POLL WARBLER 321 



Black-poll Warbler : Dendroica striata. 

 (See Fig. 187, p. 34().) 



Adult male, crown black, rest of body largely streaked with 

 black and white. Adult female, upper parts olive-green, dis- 

 tinctly streaked with black ; under parts tinged with yellow. 

 Young, brighter and less streaked. Length, about o^ inches. 



Geographic Distribution. — Eastern North America to the 

 Rocky Mountains, north to Greenland, the Barren Grounds, 

 and Alaska, breeding from the Catskills and northern New 

 England northward; south in winter to northern South 

 America. 



The Black-poll at first glance suggests the 

 Black and White Creeper (Fig. 190, p. 347) ; 

 but instead of a striped head, has a black cap. 

 It hunts in both bushes and treetops, and Wilson 

 says it is partial to woods in the neighborhood 

 of creeks, swamps, and morasses. In Ohio Mr. 

 Oberholser finds it the commonest of the tran- 

 sient town Warblers, where it goes about in 

 companies of six or seven. Mr. Torrey has 

 found it on Mount Washington, and in the 

 White Moimtains generally. In Washington it 

 is common during the spring migration, the little 

 pine groves sometimes being filled with its faint 

 notes. The song is very similar to that of the 

 Black and White Creeper, but by careful listen- 

 ing you can see what Mr. Torrey means by saying 

 that it has a crescendo and decrescendo. Some- 

 times the decrescendo consists of only one or two 

 notes dropped down the scale, but again the two 



