214 



.1 M I'JH [CAN 1: NIT II OLOGY. 



Identification Chart No- 17. 



No. 506. Orchard Oriole, (Icterus spurius). 



Length, 7 in. Eastern United States and the 

 Gulf coast; west to the Plains; north to Connecticut 

 and New York regularly, and casually to Maine and 

 Canada. Breed throughout their U. S. range and 

 Mexico. Adult male. Underparts, lesser wiag cov- 

 erts and rump chestnut greater c.iverts tipped, sec- 

 ondaries edged, and outer tail feathers sometimes 

 lippfd with white: rest of plumage black. Female. 

 Upoer parts yellowish olive, brightest on the head 

 and rump underparts dull yellow; wings dusky, 

 tipped and edged with white as in the male; some- 

 what smaller than the male. Young male. The 

 first year similar to the female except that he has a 

 black throat; the second year he is mixed with some 

 brownish in patches and the third year gets the same 

 plumage as the adult. 



No. 590. Green-tailed Towhee, (Pipilo 



chlorurus). 



Length about 7.5 in. Whole of the Rocky Mount- 

 ain region from Canada south through Mexico. 

 Adults. Crown chestnut; rest of upper parts vary- 

 ing in different birds, from bright olive green to an 

 olive gray. Breast, sides of head, and flanks clear 

 ash, contrasting sharply with the pure white throat; 

 belly white. Young. Upper parts including the 

 crown, olive greenish; browner on the back than the 

 adult; underparts similar but duller than the adults 

 and somewhat streaked. 



Lucy's Warbler {Helminthophila 



No. 643. 

 lucice) . 



Length 4.5 in. Southern California and Arizona. 

 Adults. Above ashy gray with a chestnut patch on 

 the head and rump; below white. The young are 

 the same except that they lack the chestnut on the 

 crown. 



No. 660. Bay-breasted Warbler, (Den- 



droica castanea) . 



Length about 5.5 in. Eastern North America; 

 breeds from Northern United States northwards; 

 south in winter to Mexico and Central America. 

 Crown, throat, and streaks on side chestnut; middle 

 and greater coverts tipped with white, and outer tail 

 feathers with white spots. Female. Olivaceous 

 above, but always showing traces of chestnut, es- 

 pecially on the sides. Young similar to the female 

 but without any trace of the chestnut, and scarcely to 

 be distinguished from the young Black-polls. 



