According to the AKC breed standard, the Malamute's tail is well furred and is carried over the back like a "waving plume". Corkscrew tails are occasionally seen but are faulted in the AKC breed standard (a corkscrew tail is commonly seen in the Akita). The Malamutes' well-furred tails aid in keeping them warm when they curl up in the snow. They are often seen wrapping the tail around their nose and face, which presumably helps protect them against harsh weather such as blowing snow. Their ears are generally upright, wedge-shaped, small in proportion to the head and set to the side of the skull. The muzzle is deep and broad, tapering slightly from the skull to the nose. Nose and gums are black but some Malamutes have a snow nose, which is black with a pink undertone that can get darker or lighter, depending on the season.