Yellow-throated marten larger than other Old World martens; males measure in body length, while females measure . Males weigh , while females weigh . The anal glands sport two unusual protuberances, which can be used to secrete a strong smelling liquid for defensive purposes. The yellow-throated marten has relatively short fur which lacks the fluffiness of the pine marten, sable and beech marten. The winter fur differs from that of other martens by its relative shortness, its harshness and its luster. It is also not as dense, fluffy and compact as that of other martens. The hairs on the tail are short
American marten American marten The American marten or American pine marten ("Martes americana") is a North American member of the family Mustelidae, sometimes referred to as the pine marten. The name "pine marten" is derived from the common but distinct Eurasian species of "Martes". It differs from the fisher ("Pekania pennanti") in that it is smaller in size and lighter in colour. 14 subspecies have been recognized. Two subspecies groups have been recognized based on fossil history, cranial analysis, and mitochondrial DNA analysis. None of the subspecies are seperable based on morphology and subspecies taxonomy is usually ignored except with regards to