FIELD KEY 33 



C. Length 5.50 inches; entire plumage indigo-blue. 



INDIGO BUNTING, page 96. 



D. Length 13.00 inches; bluish gray, haunts near water; 

 feeds on fish, which it catches by darting on them at 

 the surface KINGFISHER, page 128. 



IV. Plumage conspicuously black, or black and white. 



i. Black and white birds. 



A. Throat black. 



a. Length over 6.00 inches. 



a 1 . Entire under parts black; nape buffy; rump 

 white; a musical dweller of fields and meadows; 

 frequently sings on the wing. 



BOBOLINK, page 169. 



a 2 . Breast rose-red; rest of the plumage black and 

 white; song rapid, loud and musical; call-note, 

 peek; a tree dweller in rather open woodland. 



ROSE-BREASTED GROSBEAK, page 168. 



a 3 . Sides reddish brown; rest of the plumage black 

 and white; call-note, chewink or towhee; inhabits 

 the undergrowth; often seen on ground scratch- 

 ing among fallen leaves. . . . TOWHEE, page 93. 



b. Length under 6.00 inches. 



b 1 . Crown black; cheeks white; back ashy; un- 

 streaked; call, chick-a-dee or a musical, double- 

 noted whistle; a permanent resident. 



CHICKADEE, page 178. 



B. Throat and under parts white or whitish. 



a. Length 8.50 inches; upper parts blackish slate- 

 color; tail tipped with white; a bird of the air, 

 catching its insect food on the wing, and occasion- 



