Marmosa robinsoni — Details

Robinson's Mouse Opossum learn more about names for this taxon

Overview

Distribution

Range Description

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This species occurs in Belize, Honduras (Isla Roatán), Guatemala, El Salvador, Panamá, Colombia, west Ecuador, northwest Peru, north Venezuela, and Grenada (Lesser Antilles) (Gardner, 2007). Also it is found in Trinidad and Tobago. Its is found from sea level to 2,000 m. The specimen from Honduras, Guat., and El Salvador may be Marmosa mexicana. There is confusion about the taxonomy of these specimen (F. Reid pers. comm).
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Ecology

Habitat

Habitat and Ecology

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Habitat and Ecology
This species is found in a wide variety of habitats, from evergreen or cloud forest to deciduous and thorn forest, secondary vegetation, and mesic grasslands. It also is frequently associated with thick, brushy undergrowth and thickets adjacent to deforested lands. It is found in arid zones in the south of Ecuador and the north of Peru. It tolerates dry seasons, deciduous habitats, and low habitats as seen in the llanos of Colombia and Venezuela. It is basically nocturnal, solitary, and arboreal, although it uses the lower vegetation strata and the ground, such as for foraging.This species feeds mainly on insects, and some fruit (Emmons and Feer, 1997).

Systems
  • Terrestrial
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Life History and Behavior

Life Expectancy

Lifespan, longevity, and ageing

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Maximum longevity: 5 years (captivity) Observations: Life expectancy in the wild is probably under 1 year. Reproductive ability declines in the second year of life. There is one report of a male specimen obtained at an unknown age living almost 5 years in captivity (Ronald Nowak 1999).
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Conservation

Conservation Status

IUCN Red List Assessment

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Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2008

Assessor/s
Solari, S., Soriano, P., Lew, D., Patterson, B. & Reid, F.

Reviewer/s
Amori, G. (Small Nonvolant Mammal Red List Authority) & Schipper, J. (Global Mammal Assessment Team)

Justification
This species is listed as Least Concern in because of its wide distribution, presumed large population, occurrence in a number of protected areas, tolerance to some degree of habitat modification, and because it is unlikely to be declining at nearly the rate required to qualify for listing in a threatened category.

History
  • 1996
    Lower Risk/least concern
  • 1996
    Lower Risk/least concern
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Population

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Population
This species is locally common (Emmons and Feer, 1997).

Population Trend
Stable
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Threats

Threats

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Major Threats
No major threats are known to this species.
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Management

Conservation Actions

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Conservation Actions
This species is found in many protected areas throughout its range.
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Wikipedia

Robinson's mouse opossum

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Robinson's mouse opossum (Marmosa robinsoni) is a species of opossum in the family Didelphidae.[2] It is found in Belize, Colombia, Ecuador, Grenada, Honduras, Panama, Peru, Trinidad and Tobago, and Venezuela.[1]

Robinson's mouse opossums move along tree branches and vines with the help of a prehensile tail and may leap between gaps as they search for fruit and insects.

References

  1. ^ a b Solari, S., Soriano, P., Lew, D., Patterson, B. & Reid, F. (2008). Marmosa robinsoni. In: IUCN 2008. IUCN Red List of Threatened Species. Downloaded on 28 December 2008. Database entry includes justification for why this species is of least concern
  2. ^ Gardner, Alfred L. (16 November 2005). "Order Didelphimorphia (pp. 3-18)". In Wilson, Don E., and Reeder, DeeAnn M., eds. Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Baltimore: Johns Hopkins University Press, 2 vols. (2142 pp.). p. 9. ISBN 978-0-8018-8221-0. OCLC 62265494. http://www.bucknell.edu/msw3/browse.asp?id=10400079. 
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