Lemmings Apr 2026

One of the most persistent biological myths is that lemmings commit mass suicide by jumping off cliffs. This misconception was largely popularized by the 1958 Disney documentary , which staged a "death march" that never actually happens in nature.

: They have flattened claws on their front feet specifically designed for digging through snow and frozen ground. Lemmings

: In winter, they live in extensive tunnel systems beneath the snow, which provides insulation and protection from predators. One of the most persistent biological myths is

Lemmings are characterized by their compact bodies, short legs, and stumpy tails. They typically measure between 10 to 22 cm (4 to 7 inches) and possess long, soft fur that can range from sandy yellow to slate gray. Some species, such as the , undergo a seasonal molt, turning white in winter to provide camouflage against the snow. These rodents are well-adapted to extreme cold: : In winter, they live in extensive tunnel

Lemming populations are famous for their dramatic fluctuations, often peaking every 3 to 5 years. These "lemming years" are crucial for the Arctic environment:

Lemmings are small, stocky rodents primarily found in the Arctic tundra and Northern Hemisphere. Belonging to the same subfamily as voles and muskrats, these resilient creatures are essential to the Arctic food web, supporting predators like the Arctic fox and snowy owl. Physical Characteristics and Habitat