301. Willow Ptarmigan (Lagopus lagopus). L.15. 
Bill large, more than .4 deep at base; tail lack, nar- 
rowly tipped with white. Ad. 3 Summer. Throat and 
upper breast rusty brown. 4d. of Fall. Rustier and 
more finely marked above. 4d. 2 Summer. Above 
black barred with buff and tipped with white; below 
buff barred with black; middle of belly whitish. Ad. 
Q, Fall. Much like fall male. Ads., Winter. White, 
tail black tipped with white; ~o black before eye. 
Notes. Song, ka-ka-ka-ka 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. 
30fa. Allen Ptarmigan (L. 7. allenc). Similar to 
No. 301, 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 dess 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. 3 Fall. Above minutely speckled 
black, gray and buff, the prevailing color being gray- 
ish brown. 4d. Q Winter. White, lores and tail 
black. Ad. 2 Summer. Above black barred with 
rusty and margined with whitish; below rusty barred 
with black and tipped with whitish. 4d. 2 Fall. 
Like fall f. Ad. 2 Winter. Like winter 3 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. 7. reinhardti). 
Ad. 3 Summer. Similar to No. 302, but “‘less regu- 
larly and coarsely barred above’ (Ridgw.) Ad. 
Summer. Resembles 2 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. +. nelsoni). Ad. ov, 
Summer. Ground color of upperparts deep umber- 
brown, very finely and densely vermiculated; chest 
barred with bright tawny brown and black. Ad. Q, 
Summer. Similar to Q of No. 302. (CRidgw.) 
Range.—Unalaska, Aleutian Islands. 
119 
Ptarmigan. 
30}, 
Wintee 
