The avifauna is varied and abundant, comprising eagles, vultures (protected by law), hawks, owls, pelicans, cranes, turkeys, geese, partridges " (called quail or " Bob White " elsewhere), ducks, &c., besides numerous smaller species, many of which are brilliant of plumage but harsh of voice.
Thus he separates the birds of prey into three great groups - (I) the ordinary Diurnal forms, including the Falconidae and Vulturidae of the systematist of his time; but distinguishing the American Vultures from those of the Old World; (2) Gypogeranus, the secretary-bird; and (3) the owls (q.v.).
In the northern mountains the ptarmigan is common, and like other creatures assumes a white winter dress; ducks and other water-fowl frequent the lakes; the golden eagle, certain buzzards and owls are found, and among smaller birds the Lappland bunting (Plectrophanes laponicus) may be mentioned.
Fisher, Hawks and Owls of the United States in their Relation to Agriculture, U.S. Department of Agriculture, Bull.
And birds of prey, as bears, wolves, foxes, dogs, wild cats, stoats, weasels, eagles, hawks and owls, and never spared by man; even domestic animals, as cattle, goats and reindeer, join in the destruction, stamping them to the ground with their feet, and even eating their bodies.