Peromyscus boylii 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Mammalia Rodentia Cricetidae

Scientific Name: Peromyscus boylii (Baird, 1855)
Common Name(s):
English Brush Mouse
Taxonomic Notes: The population of Esteban Island, in the Sea of Cortez, has been considered as a different species P. stephanisis.

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2016
Date Assessed: 2016-09-03
Assessor(s): Lacher, T., Timm, R. & Álvarez-Castañeda, S.T.
Reviewer(s): Amori, G.
Contributor(s): Castro-Arellano, I. & 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:It occurs in mountainous regions over a wide area of western United States, and south into central Mexico, including San Pedro Nolasco Island in the Sea of Cortez. Is it usually found above 2,000 m.
Countries occurrence:
Mexico; United States (Arizona, California, Colorado, Nevada, New Mexico, Oklahoma, Texas, Utah)
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:This species is common.
Current Population Trend:Stable
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:Habitats vary from desert to montane forest, but restricted to locations where there are rock outcroppings, boulders, brush piles, and fallen trees. Usually places nest in natural cavities, rocky crevices, or under brushpiles.
Generation Length (years):0-1

Threats [top]

Major Threat(s): No major threats are known. However, on San Pedro Nolasco Island, a related species Peromyscus pembertoni, has gone extinct.

Conservation Actions [top]

Conservation Actions: There are no known conservation measures specific to this species. However, there are several protected areas within its range. The population on San Pedro Nolasco Island has protected status under Mexican law.

Errata [top]

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

Citation: Lacher, T., Timm, R. & Álvarez-Castañeda, S.T. 2016. Peromyscus boylii. (errata version published in 2017) The IUCN Red List of Threatened Species 2016: e.T16652A115135521. . Downloaded on 23 September 2017.
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