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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, particularly in the Palearctic.
Lemmings do not commit suicide. However, this particular myth is based on some actual lemming behaviors. Lemmings have large population booms every three or four years. When the concentration of lemmings becomes too high in one area, a large group will set out in search of a new home.
- The Editors of Encyclopaedia Britannica
A lemming is a small rodent, usually found in or near the Arctic in tundra biomes. Lemmings form the subfamily Arvicolinae (also known as Microtinae) together with voles and muskrats, which form part of the superfamily Muroidea, which also includes rats, mice, hamsters and gerbils.
Voles and lemmings have well-developed senses, such as smell and hearing. Some species of lemmings use scents to mark boundaries, and many species of lemmings can recognize members of their own species by their scents. Voles and lemmings use different calls for distress, aggression, and mating. Each species has a unique set of calls. (Macdonald ...
Apr 27, 2004 · The most dramatic movements happen with the True Lemmings (also called the Norway Lemming). Even so, they do not form a continuous mass, but instead travel in groups with gaps of 10 minutes or ...
Definition: overall repetitive or reflective pattern in the body of one individual of this taxon. eg: bilateral symmetry, rotational symmetry, radial symmetry. show all records. bilaterally symmetric. URI: http://purl.obolibrary.org/obo/PATO_0001324.
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Mar 17, 2021 · This new discovery indicates that Novaya Zemlya supported a cryptic polar refugium for cold-adapted terrestrial fauna during the Pleistocene. Finally, our findings highlight that allopatric ranges of the true lemmings (Lemmus) reflect stepwise range expansions in cold climatic episodes with subsequent isolation in refugia during interglacial ...
