Brown Lemmi~g (2027)

The most notable aspect of brown lemming biology is their dramatic population peaks and crashes, typically occurring every .

The ( Lemmus trimucronatus ), also known as the Canadian lemming, is a vital keystone species of the Arctic tundra. This small, stocky rodent is famous for its extreme population fluctuations—often called "cycles"—which act as a primary "engine" for the entire northern ecosystem. Physical Characteristics brown lemmi~g

: They produce 2–13 young per litter after a roughly 23-day gestation period. A single female can produce multiple litters per year. The most notable aspect of brown lemming biology

: The crash is often driven by a combination of over-foraging (depleting their own food supply), intense predation, and weather conditions that affect snow quality. Reproduction Physical Characteristics : They produce 2–13 young per

Brown lemmings are among the most rapid breeders of any vertebrate:

: They can become sexually mature as early as 3 weeks of age.

: Brown lemmings have rounded bodies with reddish-brown backs and rumps, and grey heads and shoulders.