Ptarmigan. 



30 1. Willow Ptarmigan {Lagopus lagopus) . L.15. 

 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, kti-M-ku-M 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. 5s ° 

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

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



301a. Allen Ptarmigan (L. I. alleni). Similar to 

 No. 301, but 9 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 

 be known from No. 301 by its smaller bill. Ad. <$ 

 Summer. Above irregularly barred and mottled with 

 gray and rusty buff; below barred black and white and 

 rusty buff. Ad. tf Fall. Above minutely speckled 

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

 ish brown. Ad. c? 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. $ Fall. 

 Like fall J*. Ad. 9 Winter. Like winter rf 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. reinhardti). 

 Ad. c? Summer. Similar to No. 302, but "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. 



302b. Nelson Ptarmigan {L. r. uelsoui). Ad. tf, 

 Summer. Ground color of upperparts 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. 



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