Lemmus Lemmus is the scientific name for the Arctic lemming, a cute little rodent living in the tundra regions of the Arctic. If you're a nature enthusiast or simply want to spruce up your vocabulary, it's always good to know synonyms for different animals, including Lemmus Lemmus. Some of the synonyms for this adorable creature include the tundra lemming, Scandinavian lemming, and Arctic North American lemming. Although small and seemingly insignificant, Lemmus Lemmus plays an important role in the Arctic tundra ecosystem. So next time you visit the Arctic or simply learn about its unique wildlife, you can impress your friends by referring to Lemmus Lemmus by one of its many synonyms.