Reithrodontomys spectabilis 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Mammalia Rodentia Cricetidae

Scientific Name: Reithrodontomys spectabilis Jones & Lawlor, 1965
Common Name(s):
English Cozumel Harvest Mouse

Assessment Information [top]

Red List Category & Criteria: Critically Endangered A2bce ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
Assessor(s): Cuarón, A., Vázquez, E. & de Grammont, P.C.
Reviewer(s): McKnight, M. (Global Mammal Assessment Team) & Amori, G. (Small Nonvolant Mammal Red List Authority)
Listed as Critically Endangered because it has experienced a loss of more than 80% of the population in the past 10 years. This species continues to decline because of predation from introduced cats, dogs, and Boa constrictor, and competition from introduced rodents. It has also declined from two major hurricanes (2005) and flooding (2004) in the past four years.
Previously published Red List assessments:

Geographic Range [top]

Range Description:This species is restricted to Cozumel Island, México (Musser and Carleton 2005).
Countries occurrence:
Mexico (Yucatán)
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:It is very rare and patchily distributed. The population of this species fluctuates significantly (A. Cuaron pers. comm.).
Current Population Trend:Decreasing
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:This mouse occurs in dense, viney second growth and forest edge. It is nocturnal and semiarboreal (Reid 1997).

Threats [top]

Major Threat(s): This species is threatened by predation from introduced species: feral dogs, cats and Boa constrictor. It is also threatened by competition from introduced house rats and mice.

The species is also vulnerable to the effects of frequent hurricanes and flooding, particularly in combination with its extremely small, fluctuating population and interactions with invasive species.

Conservation Actions [top]

Conservation Actions: There is a program to control the populations of invasive dogs and cats. A program is still needed to control the invasive snakes and rodents.

Citation: Cuarón, A., Vázquez, E. & de Grammont, P.C. 2008. Reithrodontomys spectabilis. The IUCN Red List of Threatened Species 2008: e.T19416A8885550. . Downloaded on 20 March 2018.
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