LAND BIRDS.
Order X. Grouse, Partridges, Bob-Whites, Etc. GALLINÆ.
(3 families, 24 species, 25 subspecies.)
Ground-inhabiting birds of chicken-like form; bill stout, hen-like; wings short and rounded; tail variable; feet strong; hind-toe elevated. Color usually mixed brown, black, and buff, or bluish gray.
Family 31. GROUSE, PARTRIDGES, ETC. Tetraonidæ.
Characters the same as those of the Order; tarsus naked in Partridges and Quails; more or less feathered in Grouse and Ptarmigan.