1921 BIRDS OF MONTANA 55 



entirely urw, as tlie winter range of the species is usually given as iinieh I'ai'tiier 

 sontli. This fact is first recorded by Bailey (l!)13a, p. 94), and in iiis notes from 

 the Bitterroot Valley he classes the bird as resident. Another winter record is 

 that of three birds at Missoula, December 25, 1915 (Kittredge, l!)](i. \<. :!(li. 



92. Podasocys montanus (.1. K. Tuwnsend i 



.Mountain Plovek 

 A rather i-ai'e summer resich'iit of the jirairit regions of the slate, east ol' 

 ! lie coutineutal diviile. Breeding records: July 1 to -'■\ 1S74, h'renehman 's 

 River and Milk River. P^ggs collected July 9 ((.'ones. 1S741), ])p. i,:A-iy.C>) ; Hay- 

 makers Creek, young secured August 1, 1874 (Grinnell, 1876, p. ii52) ; i-are io 

 eastei-n base of mountains (Cooper, 1869b, p. 298) ; rare. Port Keogh ('rhorne, 

 1895, 1). 213) ; Custer and Dawson counties, rare, eggs May 23, and newly 

 hatched young June 15, 1898 (Cameron, 1907, pp. 255-256); Fergus County, 

 summer resident, May to September (Silloway, 19()3a, p. 24); Sun River and 

 ("rreat Falls (Cooke, 191(la, p. 94). The only record within the mountain \;il- 

 leys, west of the true prairie region of the state, is Three Forks, -liuie. 19(19. 

 observed b.y Thomas (Saunders, 1911a, ]>. 34). There are no definite dates o!' 

 migration on record for this s|ieeies. Silloway's stateiiKiil. given above. Allen's 

 records in September, and MeChesuey's statement tliat it is abundant in spring 

 at Fort Custer (1879, ]k 239.3) ai'e all the data available relating to migi'alion. 



93. Dendragapus obscurus obscurus ( Say ) 



DnsKV (Ihoi'se 



A permanent resident in mountains of tln' southern part of the state, inter- 

 gratling with the form ri< liarihaiii. Few birds ai'c entii'ely typie:d of this suii- 

 speeies, the great majorit.v hcMug more neaily :dlied to richnr<h<iin. lii'cords; 

 Big Horn Mountains (McChesuey, 1879, p. 2;!9:{); Traill Creek, Park County 

 (Grinnell, 1876, pp. 650-651) ; Gallatin County (Richmond and Knowlton, 1894, 

 p. 302; Saunders, 1911a, p. 35). 



94. Dendragapus obscurus fuliginosus (Ridgway) 



Sooty Gkouse 



Permanent resident in the mountains of extreme western .Montana, inter- 

 grading with richarrhoni. Records: East to western spurs of Bitterroot .Moun- 

 tains. Montana (Bendire, 18SSa, p. :!2). Big Hole Basin (Forrest. 1914, p. 

 195). Intergrading with i iclnirdsniii i\i Cohimliia Falls (P.endire. 1892, p. 50). 



95. Dendragapus obscurus richardsoni (Douglas) 



RiCII.VRDSON (Jkiuse 

 A permanent resident of the mount.iinous half of the state, I'xteiiding its 

 range ea,st to the eastei-nmost nu>untain ranges, and iutergrading with nhsciiriis 

 on the south and fiilininosiis on tlie west. All observers in the mountains rei'ord 

 this species. The easternmost records of this sijecies are Big Horn .Mount;iins 

 (Mearns, 1904, p. 20), Big Snowy Mountaius (Silloway. 190.3a. p. 24). ami I'x-lt 

 Mountains (Williams, 1882a, p. (i3). 



