The Ungava collared lemming or Labrador collared lemming (Dicrostonyx hudsonius) is a small North American lemming. This species has a short, chunky body covered with brownish-grey fur, with a thin dark stripe along the back and a yellow line along its sides. It has small ears, short legs and a very short tail, and a reddish collar across its chest and a reddish patch behind its ears. In winter, it is covered with white fur, and develops enlarged digging claws on its front feet. They average 14 cm long with a 1.5 cm tail, and weigh about 60 g.