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
James Douglas, Lord of Douglas in the area became closely acquainted with the 'Blak Dowglas.' Along with Randolph, Douglas was to make a new name for himself in a war of mobility, which carried Scots raiders as far south as Pontefract and the Humber. But in a real sense this 'war of the borders' belonged uniquely to Douglas, and became the basis for his family's steady ascent to greatness in years to come. War ruined many ancient noble houses; it was the true making of the house of Douglas. The tactics used by Douglas were simple but effective: his men rode into battle – or