220 PASSERES: Perching Birds 



BLACK-FRONTED WARBLER 



(656a. Dendroica auduboni nigrifrons) 5f in. 

 Like the Audubon, but more extensively black below; back 

 and sides of head largely black. Compare the Audubon, of 

 which this is a subspecies. 



GRACE WARBLER 



(664. Dendroica graciae; 5 in. 



Throat, chest, and line over eye yellow; otherwise mostly gray 

 above and whitish below; sides black-streaked; crown and back 

 finely black-streaked; two narrow white wing-bars. 



Female duller; upper parts brownish-washed. 



BLACK-THROATED GRAY WARBLER 



(665. Dendroica nigrescens) 5 in. 



Male: Black head, throat, and chest, with a white streak behind 

 eye and white malar stripe; back blue-gray, black-streaked; 

 breast and belly white, sides black-striped; two white wing-bars. 

 A small yellow spot before eye is conspicuous at close range. 



Female: Similar, but black of throat and chest reduced and 

 obscured by gray tips; crown gray. 



TOWNSEND WARBLER 



(668. Dendroica townsendi) 5 in. 



Male: Head and throat wholly black and deep yellow; breast 

 yellow; belly white; sides black-striped; back green with black 

 wedges; two broad white wing-bars. Winter: Black, partly 

 obscured by greenish tips; throat yellow. 



Female: Colors duller; black of throat overlaid with pale 

 yellow; crown greenish-tipped. 



HERMIT WARBLER 



(669. Dendroica occidentalis) 5 in. 



Male: Head yellow; throat black; breast and belly white, with- 

 out streaks; back a mixture of olive-green, gray, and black; wing 

 marked by two white bars. Winter: Closely resembles summer 

 plumage of female. 



Female: Duller; crown and nape profusely spotted with black; 

 black throat obscured by gray tips. 



