“North-western countries beyond the Mississippi especially on the Missouri”.
Known to have hybridized occasionally with Tympanuchus phasianellus (suspected or proven hybrids in Alberta, Saskatchewan, Montana, North Dakota and Wyoming#R), and once with Dendragapus obscurus. NW populations (from Washington to Oregon) sometimes awarded separate race, phaios, but little evidence for subdividing W & E populations; recent study showed, however, that SW Nevada–E California population has unusually large number of unique haplotypes#R. Monotypic.
W North America from SW Canada (SE Alberta, SW Saskatchewan), C Washington and SW North Dakota S in USA to E California, Nevada, Utah and W Colorado. Formerly also in extreme S British Columbia (extreme SW Canada), Arizona and Nebraska.
Food and feeding
Status and conservation
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