OF NORTH AMERICA. 101 
have been badly scared, and then they go 
like a “blue streak.” However, they are a 
good table bird, and afford considerable 
sport, since they are quite numerous. They 
habit the thick cover of chaparral and weeds. 
118. GAMBEL’S PARTRIDGE. 
Callipepla gambeli. 
This bird is own cousin to the last (No. 
112), differing in having a black forehead in- 
stead of white; no white line beneath the eye ; 
back of head chestnut instead of smoky- 
brown; sides chestnut with white stripes; 
and the middle of the belly jet-black instead 
of chestnut. Otherwise in appearance and 
habits like its Californian relative. 
114. DUSKY GROUSE. BLUE GROUSE. 
Dendragapus obseurus. 
Predominating color very dark brown, 
finely marbled with gray, shading into bluish- 
eray on the under sides. Cheeks black. Tail 
rounded, of 18 to 20 feathers, dark brown 
like back, tipped with a band of gray. Bill 
black. Eyes golden-brown, with a comb 
above. Length 20 to 24 inches. Extent 
about 30 inches. Weight 5 to 4 lbs. 
The female is of a lighter shade than the 
above, and a little smaller than the male. 
