Location in Oregon
Blue is Winter range - Red is Summer range
Purple is Year-round range - Yellow is Migration range

Blue Grouse

Dendragapus obscurus - Common in deciduous woodlands in summer, in mountain thickets of fir in winter. Male is told by its plain gray plumage and the orange or yellow patch of skin above the eye. The female is a dark mottled brown; has a black tail with a pale gray terminal band. The male produces deep booming sounds from its inflated neck sacs, which are purple on interior and orange on coastal birds.