pe 
7 
80 FIELD KEY TO COMMON BIRDS. 
IV. Plumage conspicuously black, or black and white. 
1. Black and white birds, 
A. Throat black. 
a. Length over 6 00 inches. 
a. Entire under parts black; nape buffy; rump white; a musical 
dweller of tields and meadows; frequently sings on the wing; May 
to Sept. . . . » 6 6 © « © «© « « « « BOBOLINE, page 134 
@. 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; May to Sept. 
RosE-BREASTED GROSBEAK, page 150. 
a’, Sides reddish brown; rest of the plumage black and white ; call- 
note, chewink or towhée; inhabits the undergrowth ; often seen on 
ground scratching among fallen leaves; Apl. 25 to Oct. 
TowuEE, page 151. 
6. Length under 6:00 inches. 
&1. Crown black; cheeks white; back ashy; unstreaked; call, chick- 
a-dee, or a musical, double-noted whistle; a permanent resident. 
CHIOKADEER, page 179. 
B. Throat and other 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 
occasionally sallying forth from its exposed perch in pursuit of a pass- 
ing Crow; note, an unmusical, steely chatter, May to Sept. 
Kinesirp, page 122, 
6. Length 6-90 inches: upper parts washed with rusty; gencrally seen 
in flocks: terrestrial; Nov. to Mch.. . . . SNoWFLAKE, page 147. 
2. No white in the plumage. 
A. Length 19°00 inches; jet black . . .. =. . Am. Crow, page 128, 
B. Length 12:00 inches; black with metallic reflections ; iris yellowish; 
migrates in flocks; nests usually in colonies in coniferous trees; voice 
cracked and reedy ; tail * keeled” in short flights; a walker; Mch. to 
Nov... . « 6 © © © e «© © © © © « PURPLE GRAOKLE, page 133, 
@. Length 9°50 inches; shoulders red; haunts marshes ; call, £ong-quér- 
ree; Mch. to Oct. . . - « « » Rep-wineep Biacksirn, page 132. 
D. Length 7°90 inches; head and neck coffee-brown; frequently seen on 
the ground near cattle; Mch. to Nov.. . . . . Cowsrrp, page 137. 
V. Birds not included in the preceding sections (that is, 
plumage without either yellow, orange, red, or blue; 
not conspicuously black, or black and white). 
1. Under parts white or whitish, all one color, without streaks or spots, 
A. Back without streaks or spots. , 
a. Back olive-green; gleaners, exploring the foliage for food or flitting 
about the outer branches. 
a, Length 6-25 inches; a white line over the eye bordered by a nar- 
row black one; cap gray: iris red; song, arambling recitative: * You 
see it—you know it—do you hear me?” ete.; May to Oct. 
Rep-EyED V1RE0, page 164. 
