Like other Mustelidae, the glutton is provided with anal glands, which secrete a yellowish fluid possessing a highly foetid odour.

Indeed, the members of the weasel family, Mustelidae, are all built for running in tubes, with short legs and skinny, flexible bodies.

The last existing family of the land Carnivora is that typified by the martens and weasels, and hence known as the Mustelidae.