Genus Species Common Names Range
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{umbellus sabini Oregon ruffed {Western Oregon and Washington
{ grouse {and Northwestern California.
{
Bonasa { {Eastern sides of Cascade
{umbellus togata Canada ruffed {Mountains in Oregon and
{ grouse {Washington, thence East.
{Northeastern California,
Centrocercus urophasianus Sage hen {Nevada and the sage lands
{of Oregon and Washington.
{Western slope of the
{franklini Spruce grouse {Cascade Mountains.
{
{ {Northeastern Arizona and
Dendragapus {obscurus Dusky grouse {Eastern Nevada.
{
{ {Coast Range and Sierras from
{obscurus Sooty grouse {Southern California to
{ fuliginosus {British Columbia.
{Eastern Oregon and Washington
Pediocaetes phasianellus Sharp-tail {and a few in Northeastern
columbianus grouse {California.