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
Douglas Island (British Columbia) Douglas Island (British Columbia) Douglas Island is a 462-acre island in British Columbia, Canada, located where the Fraser River and Pitt River meet. The island is uninhabited. The island was the property of Canadian Forest Products but the government bought it for $4.5 million. The British Columbia Geographical Names Information System says about this island, which is one of two with this name in the province: Presumably named after James Douglas (1803-1877), Hudson's Bay Company Chief Factor, 1840-58; founded Victoria 1843; governor, Vancouver Island 1851-64; governor, British Columbia 1858-64; KCB, 1863. All the lots on the island were purchased by