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Sylvisorex howelli

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA MAMMALIA EULIPOTYPHLA SORICIDAE

Scientific Name: Sylvisorex howelli
Species Authority: Jenkins, 1984
Common Name(s):
English Howell's Forest Shrew, Howell's Shrew
Synonym(s):
Sylvisorex usambarensis Hutterer, 1986
Taxonomic Notes: Sylvisorex howelli possibly represents a complex of several similar species. Further studies are needed to clarify the taxonomic status of populations currently allocated to this species.

Assessment Information [top]

Red List Category & Criteria: Endangered B1ab(iii) ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
Assessor(s): Hutterer, R.
Reviewer(s): Amori, G. (Small Nonvolant Mammal Red List Authority) & Cox, N. (Global Mammal Assessment Team)
Justification:
Listed as Endangered because its extent of occurrence is less than 5,000 km², its distribution is severely fragmented, and there is continuing decline in the extent and quality of its habitat.
History:
2004 Vulnerable
1996 Vulnerable (Baillie and Groombridge 1996)
1996 Vulnerable
1994 Insufficiently Known (Groombridge 1994)
1990 Insufficiently Known (IUCN 1990)

Geographic Range [top]

Range Description: This species is endemic to the Eastern Arc Mountains of Tanzania. It has been recorded from the Ulugurus, Nguru and West and East Usambaras (Stanley et al. 2000). It may be present in the Udzungwa Mountains, but this needs to be confirmed. It is found above 1,000 m asl.
Countries:
Native:
Tanzania, United Republic of
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: This species is common in Usambaras, and is regularly found in suitable habitat.
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: This species is foun in montane tropical moist forest.
Systems: Terrestrial

Threats [top]

Major Threat(s): This species is threatened by habitat loss, largely through logging operations and the conversion of land to agricultural use.

Conservation Actions [top]

Conservation Actions: There are no direct conservation measures in place for this species. The species is presumably present within some protected areas. There is a need to conserve remaining tracts of primary forest throughout the Eastern Arc Mountains. Additional studies are needed into the taxonomy, distribution, abundance, general ecology and threats to this little-known species.

Citation: Hutterer, R. 2008. Sylvisorex howelli. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 22 August 2014.
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