Perognathus longimembris 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Mammalia Rodentia Heteromyidae

Scientific Name: Perognathus longimembris (Coues, 1875)
Common Name(s):
English Little Pocket Mouse, Los Angeles Little Pocket Mouse, Los Angeles Pocket Mouse

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2016
Date Assessed: 2016-08-09
Assessor(s): Cassola, F.
Reviewer(s): Amori, G.
Contributor(s): Linzey, A.
This species is listed as Least Concern in view of its wide distribution, presumed large population, and because it does not appear to be under threat and is unlikely to be declining at nearly the rate required to qualify for listing in a threatened category.
Previously published Red List assessments:

Geographic Range [top]

Range Description:The species' distribution extends from southeast Oregon and western Utah in the United States, to north Sonora and Baja California Sur in Mexico.
Countries occurrence:
Mexico (Baja California, Sonora); United States (Arizona, California, Idaho, Nevada, Oregon, Utah)
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:Generally common. However, the population in Baja California Sur is extremely small.
Current Population Trend:Stable
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:The general habitat for most species of Perognathus is arid plains and desert-like country. This species is nocturnal, spending daylight hours in burrows and emerging at night to feed on a variety of vegetation and insect species.

The subspecies of P. longimembris currently of conservation concern occurs in grassland, alluvial sage scrub, and coastal sage scrub habitats.
Generation Length (years):2-3

Threats [top]

Major Threat(s): None known.

Conservation Actions [top]

Conservation Actions: There are no known conservation measures specific to this species. However, there are several protected areas within its range.

Errata [top]

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

Citation: Cassola, F. 2016. Perognathus longimembris. (errata version published in 2017) The IUCN Red List of Threatened Species 2016: e.T16636A115135230. . Downloaded on 19 October 2017.
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