The first part of the common name refers to the 6-11 inches, bushy tail which the animal erects when disturbed, displaying the white hairs of the outer edge and under surface. Long, slender legs - ...

The marten is a slender-bodied animal with short legs, and a bushy, cylindrical tail that is 14.6-23 cm (5.7-9.1 in) in length. The head is triangular with a short muzzle and conspicuous, rounded ears ...