SOOTY GROUSE. 97 



In size this bird equals the Dusky Grouse and like its 

 relative does not migrate, unless ascending and descend- 

 ing lofty mountains at certain periods of the year can be 

 called migrating, and breeds wherever found. 



DENDRAGAPUS OBSCURUS FULIGINOSUS. 



Geographical Distribution. — Coast Range of Mountains from 

 California eastward to Nevada, Western Idaho to Northern 

 Alaska. 



Adult Male. — Above, brownish black, lighter upon the back 

 of neck, which is more of a slate color, and mottled, especially 

 upon the wings, about the tips of the feathers, with brown and 

 pale gray; rump and upper tail-coverts, mottled also with the 

 same; no white central streaks on the scapulars, nor any very 

 distinct white space on the side of neck; throat and sides of face, 

 usually black, with a few small white spots on the former; breast 

 sooty black, grading into very dark slate on rest of under parts; 

 under tail-coverts, black, with white tip and a gray subapical bar 

 mottled with black; tail, black, with a dark gray band at tip. 

 Total length, about 21 inches; wing, 9I; tail 8. 



Adult Female. — Resembles the female of D. obscurus, but is 

 much darker in hue, with a good deal of dark rusty on the upper 

 parts. 



