Microtus middendorffii 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Mammalia Rodentia Cricetidae

Scientific Name: Microtus middendorffii Poljakov, 1881
Regional Assessments:
Common Name(s):
English Middendorff's Vole, Middendorf's Vole
Microtus hyperboreus Vinogradov, 1934
Microtus middendorffi (Poliakov, 1881) [orth. error]
Taxonomic Notes: This taxon is sometimes considered to include M. hyperboreus (Pavlinov et al. 2002).

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2016
Date Assessed: 2016-08-24
Assessor(s): Tsytsulina, K., Formozov, N. & Sheftel, B.
Reviewer(s): Amori, G.
A widespread and common species with no major threats. Listed as Least Concern.
Previously published Red List assessments:

Geographic Range [top]

Range Description:Arctic and subarctic waterlogged tundra from the Ural Mountains to the Kolyma lowlands (Russian Federation).
Countries occurrence:
Russian Federation
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:Data on population size are lacking, but as in most rodent species populations fluctuate. Severe springs may cause population reduction; heavy rains and floods cause short-distance migrations.
Current Population Trend:Unknown
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:Inhabits waterlogged tundra, sedge and Sphagnum marshes, waterlogged banks; avoids anthropogenic landscapes. Lives in colonies with shallow burrows in dry areas. Nest chambers are usually sited on hillocks, on the ground, or on shrub branches. The species feeds on sedges, leaves and stalks in summer and roots in winter. Reproduction occurs from May to August, in favourable years from March til October. Females that have overwintered give birth to up to 3 litters per year. In the Urals fecundity is lower than in Yakutia.
Generation Length (years):1
Congregatory:Congregatory (and dispersive)

Threats [top]

Major Threat(s): There are no major threats to this species.

Conservation Actions [top]

Conservation Actions: This species occurs in several protected areas.

Errata [top]

Errata reason: This errata assessment has been created because the map was accidentally left out of the version published previously.

Citation: Tsytsulina, K., Formozov, N. & Sheftel, B. 2016. Microtus middendorffii (errata version published in 2017). The IUCN Red List of Threatened Species 2016: e.T13444A115113294. . Downloaded on 22 May 2018.
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