DCHP-1 Online
pinnated grouse † 
a grouse, Tympanuchus cupido americanus, common on the southern prairies.
See also: prairie chicken (def. 1)
- 1823 This species is an inhabitant of woody countries only, in which it differs from the Pinnated grouse of America, better known to the Sportsmen of the New World under the appellation of the Prairie hen and Heath hen.
- 1884 It is supposed that at one time it ranged much further to the south than at present, but that it is retreating before the pinnated grouse . . . which has already entered Manitoba by the Red River Valley.
- 1966 . . . on Manitoulin Island . . . they met our fifth grouse, the pinnated grouse, or prairie chicken. . . .
- 1823 This species is an inhabitant of woody countries only, in which it differs from the Pinnated grouse of America, better known to the Sportsmen of the New World under the appellation of the Prairie hen and Heath hen.