246 



KEY TO THE BIRDS OF EASTERN NORTH AMERICA. 



Crown, brown, like back; throat and underparts, pale brown; whitish on 



belly; breast, usually with indistinct streaks ; back, brown, without streaks. 



Indigo Bird. 

 Indigo Bunting. 



Passerina cyanea (female"). 

 See No. 446. 



Crown, black, with white stripe in centre ; stripe over eye, white ; usually 

 more or less yellow in front of eye; throat, white; breast, grayish; carpal 

 joint (bend of wing), pale yellow ; back, streaked. 



White=throated Sparrow. 



albicollix. 

 See No. 423. 



Crowu, black, with white stripe in centre; no distinct white patch on throat; 

 carpal joint (bend of wing), not yellow; back, streaked. 



White=crowned Sparrow 



Zonotrichia leucophrys. 

 See No. 422. 



Crown, brown, with grayish brown centre ; nape, gray; bill, reddish brown; 



back, streaked: wing coverts, tipped with white. 



White-crowned Sparrow. 



Zonotrichia leucophrys (immature] 

 See No. 422. 



Crown, light chestnut brown (streaked with black in young birds) ; rump, 

 slaty gray; bill, black; back, streaked. Young birds in fall have the bill 



brownish. 



Chipping Sparrow 



Spizella socialis. 

 See No. 425. 



Crown, rufous brown ; rump, pale olive brown ; upper mandible, black ; 



under mandible, pale, with dark tip ; back, streaked. 



Tree Sparrow. 



Spizella monticola. 

 See No. 424. 



