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The genus Lemmus contains several species of lemming sometimes referred to as the true lemmings. They are distributed throughout the Holarctic, ...
It is true that the local population of some lemmings fluctuates. Contrary to the myth, it is not a deliberate mass suicide, in which animals voluntarily choose to die, but rather a result of their migratory behavior. Driven by strong biological urges, some species of lemmings may migrate in large groups when population density becomes too great.
The West Siberian lemming or Western Siberian brown lemming (Lemmus sibiricus) is a true lemming species found in the Russian Federation. Like other lemmings , it belongs to the family Cricetidae of rodents .
The East Siberian lemming, Eastern Siberian brown lemming, or Ognev's lemming (Lemmus paulus) is a species of lemming endemic to Russia, where it has a disjunct distribution throughout parts of Siberia east of the Verkhoyansk Range.
Lemmini is a tribe of lemmings in the subfamily Arvicolinae. Species in this tribe are: [1] Tribe Lemmini Genus Lemmus - true lemmings Amur lemming (L. amurensis) Norway lemming (L. lemmus) Beringian lemming (L. nigripes) East Siberian lemming (L. paulus) West Siberian lemming (L. sibiricus) North American brown lemming (L. trimucronatus) Genus ...
Lagurus is a genus in the subfamily Arvicolinae (voles, lemmings, and related species). Lagurus includes a single living species, the steppe lemming (Lagurus lagurus) of central Eurasia. [1] The North American sagebrush vole (Lemmiscus curtatus) has also been included in Lagurus, but is likely not closely related. [2]
This species is found on both sides of the Bering Sea, and its distribution roughly coincides with the former landmass of Beringia, which it likely inhabited prior to its partial submergence. [ 2 ] In Siberia , it is found east of the Kolyma River (with the East Siberian lemming , L. paulus , being found west of the river) ranging throughout ...
The mainland Norway lemming has a bold pattern of black and yellow-brown, which is variable between individuals. In contrast, the Novaya Zemlya lemming has a cryptic gray coloration (hence why it was previously thought to be a population of the Siberian brown lemming). [2] The species grows to a size of 155 mm (6.1 in).