DCHP-1 Online
tree-grouse 
n. the spruce partridge and certain related species of grouse.
See also: fool hen
- 1888 (1890) Tree-grouse . . . are somewhat larger than the Scotch grouse, perch in the trees, and if alarmed, when on the ground, run, but if in a tree, they remain perfectly still. . . .
- 1905 Both the ptarmigan and tree-grouse, or foolhens, are remarkable for their freedom from fear.
- 1888 (1890) Tree-grouse . . . are somewhat larger than the Scotch grouse, perch in the trees, and if alarmed, when on the ground, run, but if in a tree, they remain perfectly still. . . .