Zoological Famliy Mustelidae, includes
Ferrets, Skunks, Mink, Polecat, Wolverine, Weasels, Otters and Martins, to name a few. Contrary to what some think, THESE ARE NOT RODENTS! There are millions of years of evolution separating stupid things like Rodents from Mustelids.
Yes, they have smelly glands in their asses. Whether or not this is a foul odor is a matter of personal opinion.