Ptarmigan 



301. Willow Ptarmigan (Lagopus lagopus}. L.I5. 

 Bill large, more than .4 deep at base; tail black, nar- 

 rowly tipped with white. Ad. tf Summer. Throat and 

 upper breast rusty brown. Ad. $ Fall. Rustier and 

 more finely marked above. Ad. 9 Summer. Above 

 black barred with buff and tipped with white; below 

 buff barred with black; middle of belly whitish. Ad. 

 9, Fall. Much like fall male. Ads., Winter. White, 

 tail black tipped with white; no black before eye. 

 Notes. Song, ku-kfi-ku-ku while ascending five or ten 

 yards in the air; a hard rolling kr-r-r-r when descend- 

 ing. (Nelson.) 



Range. Arctic Regions; in America breeding south to Lat. 55 

 in winter migrating south to Lat. 50 ; recorded once from Pe- 

 nobscot Co., Maine, and once from Manchester, Mass. 



30 la. Allen Ptarmigan (L. I. alleni}. Similar to 

 No. 30 1, but $ more finely marked; shafts of primaries, 

 at all seasons, strongly black spreading to the web of 

 the feather. 



Range. Newfoundland. 



302. Rock Ptarmigan (Lagopus rupestris). L. 14. 

 Bill less than .4 deep at base; tail black. Always to 

 ^e known from No. 301 by its smaller bill. Ad. tf 

 Summer. Above irregularly barred and molded with 

 gray and rusty buff; below barred black and white and 

 rusty buff. Ad. $ Fall. Above minutely speckled 

 black, gray and buff, the prevailing color being gray- 

 ish brown. Ad. tf Winter. White, lores and tail 

 black. Ad. 9 Summer. Above black barred with 

 rusty and margined with whitish; below rusty barred 

 with black and tipped with whitish. Ad. 9 Pall. 

 Like fall d\ Ad. 9 Winter. Like winter tf but no 

 black before eye. 



Range. North America from Gulf of St. Lawrence and higher 

 mountains of British Columbia north to Arctic Regions (except 

 northern Labrador) west through Alaska to Aleutian Islands. 



302a. Reinhardt Ptarmigan (L. r. 



Ad. Summer.' Similar to No. 302, but 



" 



reinhardti) . 



"less regu- 

 larly and coarsely barred above" (Ridgw.) Ad. 9 

 Summer. Resembles 9 of No. 302. Ads. Fall Much 

 grayer than No. 302 in fall. Ads. . Winter. Like No. 

 302 in winter. Notes. When courting the male utters 

 a growling kurr-kurr. (Turner.) 



Range. Northern Labrador north to Greenland. 



302 b. Nelson Ptarmigan (L. r. nelsoni). Ad. <$, 

 Summer. Ground color of upperpa.ts deep umber- 

 brown, very finely and densely vermiculated; chest 

 barred with bright tawny brown and black. Ad. 9. 

 Summer. Similar to 9 of No. 302. (Ridgw.) 



Range. Unalaska, Aleutian Islands. 



119 



