Lemmings 〈ESSENTIAL〉

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

: In winter, they live in extensive tunnel systems beneath the snow, which provides insulation and protection from predators. Lemmings

are lemming population cycles changing due to winter climate? : They have flattened claws on their front

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

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: