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American marten (Martes americana) ecology and conservation

DESCRIPTION The American marten (Martes americana) is a carnivorous mammal about the size of a small house cat. Its total length is between 500 and 680 mm and it weighs 500 1400 g as a adult, depending on sex and geography (Buskirk and McDonald 1989). The male is 20-40% larger than the female. Both sexes are furred with glossy hair of medium length, tan to chocolate in color, and have an irregular throat patch ranging from pale cream to bright amber. Its face is foxlike in shape, its torso is slender, and its legs and tail are intermediate in length and darkly furred (Strickland et al. 1982). Of the two subspecies that occur in California, the Humboldt marten (M. a. humboldtensis) is reported to be darker, of richer golden tone, to have less orange and yellow in the throat patch, a smaller skull, and smaller and less crowded premolars and molars than the Sierra subspecies (M. a. sierra) (Grinnell and Dixon 1926).