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.
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: Lemmings
: As herbivores, they feed on mosses, grasses, shoots, and roots. The Infamous "Suicide" Myth One of the most persistent biological myths is
Lemming populations are famous for their dramatic fluctuations, often peaking every 3 to 5 years. These "lemming years" are crucial for the Arctic environment: They typically measure between 10 to 22 cm