Peromyscus dickeyi

Taxonomy

Assessment Information

Geographic Range

Population

Habitat and Ecology

Threats

Conservation Actions

Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	CHORDATA	MAMMALIA	RODENTIA	CRICETIDAE

Scientific Name:

Peromyscus dickeyi

Species Authority:

Burt, 1932

Common Name/s:

English

–

Dickey’s Deermouse, Dickey's Deer Mouse

Assessment Information [top]

Red List Category & Criteria:

Critically Endangered B1ac(iv)+2ac(iv) ver 3.1

Year Assessed:

2008

Assessor/s

Álvarez-Castañeda, S.T., Castro-Arellano, I., Lacher, T. & Vázquez, E.

Evaluator/s:

McKnight, M. (Global Mammal Assessment Team) & Amori, G. (Small Nonvolant Mammal Red List Authority)

Justification:
Listed as Critically Endangered because its extent of occurrence is less than 100 km² and its area of occupancy is less than 10 km², all individuals are in a single location, and there are extreme fluctuations in the number of mature individuals.

History:

1996

–

Endangered (Baillie and Groombridge 1996)

Geographic Range [top]

Range Description:	This species is only known from Tortuga Island, Baja California, Mexico (Cortez-Calva and Alvarez-Castaneda 2001).
Countries:	Native: Mexico
Range Map:	(click map to view full version)

Population [top]

Population:	This species is relatively common on the island.
Population Trend:	Decreasing

Habitat and Ecology [top]

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

Threats [top]

Major Threat(s):	Given this species' extremely restricted range, it is threatened by stochastic threats such as El Niño/La Nina events, cyclical rattlesnake predations, and the high possibility of the introduction of feral cats to the island.

Major Threat(s):

Given this species' extremely restricted range, it is threatened by stochastic threats such as El Niño/La Nina events, cyclical rattlesnake predations, and the high possibility of the introduction of feral cats to the island.

Conservation Actions [top]

Conservation Actions:	This species does not occur in any protected areas.

Conservation Actions:

This species does not occur in any protected areas.

Citation:	Álvarez-Castañeda, S.T., Castro-Arellano, I., Lacher, T. & Vázquez, E. 2008. Peromyscus dickeyi. In: IUCN 2008. 2008 IUCN Red List of Threatened Species. <www.iucnredlist.org>. Downloaded on 07 January 2009.
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