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Peromyscus stephani

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA MAMMALIA RODENTIA CRICETIDAE

Scientific Name: Peromyscus stephani
Species Authority: Townsend, 1912
Common Name/s:
English – San Esteban Deermouse, San Esteban Island Mouse

Assessment Information [top]

Red List Category & Criteria: Critically Endangered   B1ac(iv)   ver 3.1
Year Assessed: 2008
Assessor/s Álvarez-Castañeda, S.T. & Castro-Arellano, I.
Evaluator/s: McKnight, M. (Global Mammal Assessment Team) & Amori, G. (Small Nonvolant Mammal Red List Authority)
Justification:
Listed as Critically Endangered because it has an extent of occurrence of less than 42 km2, all individuals are known from a single location (San Esteban Island), and the species is likely to experience extreme fluctuations in population due to stochastic events.
History:
1996 – Endangered (Baillie and Groombridge 1996)

Geographic Range [top]

Range Description: This species is known only from San Esteban Island in the Gulf of California (Mexico).
Countries:
Native:
Mexico
Range Map:
(click map to view full version)
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Population [top]

Population: This species is considered relatively common.
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: This island is desert scrub.
Systems: Terrestrial

Threats [top]

Major Threat(s): Given that this species is restricted to a very small island (<42 km2), it is likely to experience extremely fluctuations in population due to stochastic threats. There are no feral cats or other introduced species on this island.

Conservation Actions [top]

Conservation Actions: None.
Citation: Álvarez-Castañeda, S.T. & Castro-Arellano, I. 2008. Peromyscus stephani. In: IUCN 2008. 2008 IUCN Red List of Threatened Species. <www.iucnredlist.org>. Downloaded on 07 January 2009.
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