North American River Otter

he North American river otter is a stocky animal with short legs, a muscular neck no smaller than the head, and an elongated body that is broadest at the hips. The fur of the species is short and the pelage has a high luster and varies from light brown to black. The throat, chin, and lips are grayer than the rest of the body. Fur of senescent river otters may become white-tipped, and rare albinos may occur.