220 



KEY TO THE BIRDS OF EASTERN NORTH AMERICA. 



General plumage, black, glossed on the head with purplish or violet black, and 

 back and underparts, tinged with metallic green ; no red on shoulder. 



Brewer's Blackbird. 



Scolecophagus cyanocephalus (male') . 

 See No. 382. 



General plumage, black, tinged with brown on the crown and back ; the 



feathers on the underparts, tipped with rusty brown; uuderparts, not streaked; 

 no red on shoulder. 



Rusty Blackbird. 



Scolecophagus Carolines (immature}, 

 See No. 381. ' . 



General plumage, black, more or less streaked and marked with brown, 

 buff, and dull white; lesser wing coverts (shoulder), dull red. 



Red=winged Blackbird. 



Agelaius phozniccus (young male). 

 See No. 373. 



Underparts, streaked with black ; no 



red patch on shoulder. 



Red-winged Blackbird. 



Agelaius phceniceus (female*), and races* 

 See No. 373. 



Head and breast, chocolate brown ; rest of plumage, glossy black. 



Cow Bird. 



MolothruK ater (male , 

 See No. 371. 



