- In autumn, the least weasel, except in some southern parts of its range, replaces its summer brown coat with a purely white winter fur. The density of the fur is the same in summer and winter, but summer hairs are shorter and finer than winter ones.
Cub: fur — Soft and short fur is colored brown on top and white below. Cub: Number of teeth — Milk teeth, which are later replaced by permanent sharp teeth. Adult: fur — aY3EKvsBdrA. Adult: fur — In cold areas, the fur is completely white to hide in the snow. Adult: Body size — A long and very flexible body allows climbing into narrow burrows of rodents. Adult: Number of claws — Sharp claws help to cling to the ground and prey. Adult: Number of tails — A short tail without a black tip at the end. Adult: Number of teeth — Sharp teeth with which the predator kills prey by biting in the head or neck.