Sturnira thomasi


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Sturnira thomasi
Species Authority: de la Torre & Schwartz, 1966
Common Name(s):
English Thomas's Yellow-shouldered Bat

Assessment Information [top]

Red List Category & Criteria: Vulnerable B1ab(iii)+2c(i,ii,iv) ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
Assessor(s): Dávalos, L. & Rodriguez, A.
Reviewer(s): Medellín, R. (Chiroptera Red List Authority) & Schipper, J. (Global Mammal Assessment Team)
This species is listed as Vulnerable in light of an ongoing population reduction and small geographic range. The species extent of occurrence is less than 20,000 km², it occurs in less than five locations and is declining due to habitat loss. Populations of this species are known to fluctuate dramatically.
1996 Endangered

Geographic Range [top]

Range Description: This species is known from Guadeloupe and Montserrat (Lesser Antilles) (Simmons, 2005).
Guadeloupe; Montserrat
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: Extremely rare. It is only be found twice in Montserrat (Pedersen, 2005)
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: Little is known about the ecology of this species. Presumably it is predominantly frugivorous as are other members of the genus. It occurs inside forest and over streams. Two females captured in July were lactating (Jones and Genoways, 1975). It needs some native humid forest (Pedersen, 2005)
Systems: Terrestrial

Threats [top]

Major Threat(s): Habitat loss, hurricanes, volcanic eruptions.

Conservation Actions [top]

Conservation Actions: Research actions.

Bibliography [top]

Jones, J. K. and Genoways, H. H. 1975. Sturnira thomasi. Mammalian Species 68: 1-2.

Pedersen, S. 2005. Bathead. “Short Guide to the Bats of the Northern Lesser Antilles”. Available at:

Simmons, N. B. 2005. Order Chiroptera. In: D. E. Wilson and D. M. Reeder (eds), Mammal Species of the World, pp. 312-529. The Johns Hopkins University Press, Baltimore, MD, USA.

Citation: Dávalos, L. & Rodriguez, A. 2008. Sturnira thomasi. The IUCN Red List of Threatened Species. Version 2015.2. <>. Downloaded on 05 September 2015.
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