Overview

Distribution

Range Description

This species is distributed in eastern Panamá, Colombia, and eastern Ecuador, eastern Peru, western Venezuela and north and central Bolivia (Gardner 2007). This species has an altitudinal range of 110 to 2,200 m (S. Solari pers. comm.).
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Physical Description

Type Information

Type for Monodelphis adusta
Catalog Number: USNM 179609
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Mammals
Sex/Stage: Male; Adult
Preparation: Skin; Skull; Skeleton
Collector(s): E. Goldman
Year Collected: 1912
Locality: Cana, Darien, Panama, North America
Elevation (m): 853
  • Type: Goldman, E. A. 1912 Sep 20. Smithsonian Miscellaneous Collections. 60 (2): 2.
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
This species is terrestrial and feeds on invertebrates (Emmons and Feer, 1997). It is less arboreal than most opossums (Eisenberg, 1989). It is found mostly in a variety of habitats, including Pacific wet forest, lowland rainforests, and montane wet forests at mid elevations (1,400 to 2,200 m), however, it is sometimes found as low as 200 m in rainforest and wet grassland (Emmons and Feer, 1997). This species seems to tolerate human presence, as it has been caught in human dwellings (S. Solari pers. comm.).

Systems
  • Terrestrial
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Life History and Behavior

Life Expectancy

Lifespan, longevity, and ageing

Maximum longevity: 4.1 years (captivity) Observations: One specimen lived 4.1 years in captivity (Richard Weigl 2005).
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2008

Assessor/s
Solari, S. & Tirira, D.

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

Contributor/s

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.
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Population

Population
This species is estimated to be widespread with locally low densities. The rarity of this species may be due to unknown ecological factors. In Bolivia, this species is known from three specimens. It is locally common in some localities in Peru (S. Solari pers. comm.).

Population Trend
Stable
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Threats

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

Conservation Actions

Conservation Actions
This species is found in several protected areas.
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Wikipedia

Sepia short-tailed opossum

The Sepia Short-tailed Opossum (Monodelphis adusta) is a species of opossum in the Didelphidae family. It is found in Colombia, Ecuador, Panama, Peru and Venezuela.[2]

Its habitat consists of different types of forests up to 2200 meters above sea level, as well as grasslands. It rains about 5 m annually so they find ways to remain above the water. The opossum hunts invertebrates on the ground, but remains of beetles and small frogs have also been seen. They are nocturnal and live in tree holes. [3]

Its fur is dark brown, and is distinctive from other species of the genus by having no streaks on its trunk.

References[edit]

  1. ^ Gardner, A. (2005). Wilson, D. E.; Reeder, D. M, eds. Mammal Species of the World (3rd ed.). Johns Hopkins University Press. p. 13. ISBN 978-0-8018-8221-0. OCLC 62265494. 
  2. ^ a b Solari, S. & Tirira, D. (2008). Monodelphis adusta. In: IUCN 2008. IUCN Red List of Threatened Species. Retrieved 28 December 2008. Database entry includes justification for why this species is of least concern
  3. ^ Gardner, Alfred L. "Order Didelphimorphia: Family Didelphidae." Mammals of South America. Vol. 1. Chicago: University of Chicago, 2007. 85-86.
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