Douglas fir Douglas-fir forest is the primary habitat of the red tree vole ("Arborimus longicaudus") and the spotted owl ("Strix occidentalis"). Home range requirements for breeding pairs of spotted owls are at least 400 ha () of old growth. Red tree voles may also be found in immature forests if Douglas-fir is a significant component. The red vole nests almost exclusively in the foliage of the trees, typically above the ground, and its diet consists chiefly of Douglas-fir needles. A parasitic plant sometimes utilizing "P. menziesii" is Douglas-fir dwarf mistletoe ("Arceuthobium douglasii"). The leaves are also used by the woolly conifer aphid
Fraser Canyon War as it was during this visit that the justices for Yale and Hill's Bar (Whannell and Perrier, respectively) were appointed by Douglas, who had no idea of their real characters and the consequences these appointments would all too quickly bring to local politics. Also accompanying the Governor on his steamboat journey to Yale on this occasion was one Ned McGowan, known as "the notorious" or as "the ubiquitous", whose presence would precipitate the subsequent series of improbable events known as McGowan's War later in the winter. Fraser Canyon War The Fraser Canyon War, also known as the Canyon War or