218 PASSERES: Perching Birds 



OLIVE WARBLER 



(651. Peucedramus olivaceus) 5 in. 



Male: Fore parts orange-brown; black stripe from bill to ear; 

 back gray; belly whitish; wing dusky, with two white bars, and 

 outer feathers brown-edged; outer tail-feathers mostly white. 



Female and immature male: Fore parts yellowish, tinged above 

 with olive-green; side of head dusky. 



CALIFORNIA YELLOW WARBLER 



(652c. Dendroica aestiva brewsteri) 4f in. 



Male: Bright yellow below, chest and sides rufous-streaked; 

 yellow-green above, lightest on forehead; wings dusky, edged 

 with yellow-green; tail similar, but when spread shows inner 

 webs mostly yellow. 



Female: Very pale below, streaks faint or lacking; upper parts 

 dull, gray- washed. ' 



SONORA YELLOW WARBLER 



(652a. Dendroica aestiva sonorana) 4f in. 

 Like the California Yellow Warbler, but very pale through- 

 out. Female almost white below, pale grayish above. The 

 desert form of Yellow Warbler, showing extreme of paleness in 

 this group. 



AUDUBON WARBLER 



(656. Dendroica auduboni auduboni) 5f in. 



Male: Chest black; bright yellow throat, crown, and rump, the 

 last conspicuous and distinctive in flight; remaining upper parts 

 bluish gray, back marked with black wedges; large white wing- 

 patch; yellow on sides of breast, mostly concealed. Winter: 

 Brownish-washed; black of chest and sides obscured. 



Female: Less black below; yellow paler; brown-washed above. 

 Winter: Like winter male, but duller. 



HOOVER WARBLER See Appendix. 



(655a. Dendroica coronata hooveri) 5 in. 



