World Bird List

Species factsheet
Dusky Grouse (Dendragapus obscurus)

Order: Dendragapus obscurus
Family: Pheasants & Allies (Phasianidae)

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
richardsonii s Yukon (Canada) to Idaho, nw Wyoming and w Montana (USA)
pallidus se British Columbia (Canada) to ne Oregon and w Wyoming (USA)
oreinus e Nevada, s Idaho, w Utah (USA)
obscurus Wyoming to New Mexico and Arizona (USA)
Annoncer