14:6 PARTRIDGES. 



Female differs in having the white about head replaced by 

 buff. Downy young, buff streaked with dark-brown, plate 

 32. Note, "-5f>3-w^/Ve" ox'''' More-wet''\ sometimes "iVo-»i<7re- 

 'weV \ also a chuckling when dis- Fig. 176, 



turbed and a call when a bevy is sep- 

 arated. Eastern U. S. from southern 

 Me. to Fla. 



1*. FLORIDA BOB-WHITE, C. 

 T. FLORiDANUS. Smaller with larger 

 bill and feet; darker with black of 

 breast considerably extended over 

 upper breast. Florida. 



B. GROUSE. Tetronidae. I>, A, a, 



Larger birds with feathers of head considerably elonga- 

 ted and crest-like; tarsi, feathered, naked colored space 

 over eye; toes, with fringe-like scales on the sides. Rise on 

 the wing with a rapid whirring sound and fly swiftly with 

 quick wing-beats but usually in a straight line, often sailing 

 with outstretched wings before alighting. Run swiftly when 

 down. Nests on the ground, eggs buffy, sometimes spotted. 



a. Spruce Grouse. Canachites. 



Rather small grouse with moderately long tails and dark 

 colors; naked space over and around eye, red; toes, slightly 

 webbed and these are feathered. Eggs, spotted. 



1. CANADA GROUSE, C. canadensis. 15.50; black, 

 banded above with ashy and chestnut and blotched and band- 

 ed below with white ; terminal band on tail, chestnut, fig. 177. 

 Female duller with much of the black replaced by chestnut, 

 especially oii the breast. Young, much more reddish. Brit- 

 ish America east of the Rocky Mountains and into the TJ. S. 

 in the northern portions of Minn., Mich., N. Y., and N. E. 

 Yery unsuspicious birds inhabiting the coniferous forests. 



b. Wood Grouse. Bonasa. 



Larger birds with longer tails and prominent ruffs of black 

 feathers on sides of neck which are rounded terminally. The 

 young acquire their wing feathers when only a few days old 

 and fly quite well when half grown. 



