Dicrostonyx groenlandicus (Traill, 1823)

Physical Appearance

This species has a short, chunky body covered with thick grey fur, marked by a thin black stripe running along its back and light grey fur on its underparts. It has a distinct pale brown collar across its chest, as well as small ears, short legs, and a very short tail.

Seasonal Fur Change

In winter, its fur changes color to white. It has large digging claws on its front feet.

Adult Measurements

Adults measure 14 cm (5.5 in) in total length, with a 1.5 cm (0.59 in) tail, and weigh approximately 40 g (1 oz).

Main Distribution

This species occurs in tundra habitats across northern Canada, Alaska, and Greenland.

Wrangel Island Population

There is also a separated disjunct population on Wrangel Island in Siberia; this population was previously classified as a separate species called the Wrangel lemming, D. vinogradovi.