2U 



KEY TO THE BIKDW OF EASTEKN NOKTH AMEEICA. 



FAMILY ICTERID/E. 



Blackbirds, Orioles, Meadow Larks, etc. 



First primary, not short; base of bill slightly dividing the feathers of 

 the forehead ; nostrils, exposed ; outer tail feathers, shorter than middle 

 feathers. 



Group 1. Wing, less tlian 3.75 inches long. 



Section 1. The following species have the underparts 

 more or less marked with either yellow, orange, or chestnut 

 brown. 



Ilend and throat, black; uiidei-])artfi, orange yellow ; back, black. Baltimore Oriole. 



Icterus iiiillinhi. {miilc). 

 See No. :^7n. 



Head, more oi- less marked with black; back, blackish; underparts, orange, paler 

 than tlie male. Baltimore Oriole, 



Icternn i/nllmlii (fnnala). 

 See No. 379. 



Crowu and back, dull olive, faintly tina;ed with yellow on rump; underparts, pale 

 yellow, usually with taint orange tinge; wing, over 3.45. Baltimore Oriole. 



Icterus (jaVnda {immature). 

 See No. .379. 



7^ Head and back, black; rest of under- 

 parts, chestnut brown. 



Orchard Oriole. 



Icterus spurius {male). 

 See No. .378. 



Crown and back, greenish, without 

 strijies; underi)arts, yellow (not 

 orange); wing, under 3.45. 



Orchard Oriole. 



Icterus Sjiiirius ( fem.riJe). 

 See No. 378. 



Crown, with yellow l)ufl in centre, 

 bordered by black; back, .streaked 

 with black; underparts, pale yel- 

 low, tinged with bufl; tail feathers, 



pointed. 



Bobolink. Rice Bird. 



Dolichonyx oryzivurus {female). 



See No. 370. 



(JnJiarti Oriole. 



