Sylvisorex howelli

Taxonomy

Assessment Information

Geographic Range

Population

Habitat and Ecology

Threats

Conservation Actions

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

Assessment Information [top]

Red List Category & Criteria:

Endangered B1ab(iii) ver 3.1

Year Assessed:

2008

Assessor/s

Hutterer, R.

Evaluator/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 (IUCN 2004)
1996	–	Vulnerable (Baillie and Groombridge 1996)
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 map to view full version)

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.

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.

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. In: IUCN 2008. 2008 IUCN Red List of Threatened Species. <www.iucnredlist.org>. Downloaded on 02 December 2008.
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