The Brown Lemming is a small, rounded Arctic rodent known for dramatic multi-year population cycles that crash and rebuild every three to five years. During peak years, lemmings are so abundant that virtually every Arctic predator—owls, foxes, jaegers, and weasels—switches to feeding on them almost exclusively. Contrary to popular myth, lemmings do not deliberately jump off cliffs in mass suicides.
Habitat
Arctic and subarctic tundra with moist sedge meadows
Diet
Sedges, grasses, mosses, and roots
How common
Uncommon
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