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Octodon pacificus

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA MAMMALIA RODENTIA OCTODONTIDAE

Scientific Name: Octodon pacificus
Species Authority: R. Hutterer, 1994
Taxonomic Notes: The species needs taxonomic revision (O. Lessa pers. comm.)

Assessment Information [top]

Red List Category & Criteria: Critically Endangered B1ab(i,ii,iii)+2ab(i,ii,iii) ver 3.1
Year Published: 2013
Date Assessed: 2008-07-01
Assessor(s): Ojeda, R. & Bidau, C.
Reviewer(s): Amori, G. & Schipper, J.
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, its distribution is severely fragmented, and there is continuing decline in the extent and quality of its habitat.
History:
1996 Vulnerable (Baillie and Groombridge 1996)
1996 Vulnerable

Geographic Range [top]

Range Description: This species occurs on Mocha Island off the coast of central Chile in Arauca province (Wilson and Reeder, 2005). Although a recently described species, the first collection of it was made in 1959 (Saavedra et al. 2003).
Countries:
Native:
Chile
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: This species has not be trapped since Hutterer (1994) despite several attempts (Saavedra et al., 2003). It is thought that the population is now extremely small.
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: The island supports dense vegetation that is biogeographically related to mainland Valadivian forest. It occupies only a few square kilometers of forest habitat.
Systems: Terrestrial

Threats [top]

Major Threat(s): The islanders rely heavily on the vegetation for their subsistence which has led to significant degradation of the natural habitats. Human activity has resulted in the almost total deforestation of lowlands which are now dominated by grasslands. The Valdivian forest is now restricted to the highest elevations and subject to logging.

Conservation Actions [top]

Conservation Actions: Research is needed to Further trapping efforts should directed to mountain tops.

Citation: Ojeda, R. & Bidau, C. 2013. Octodon pacificus. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 23 July 2014.
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