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Thylamys fenestrae 

Scope: Global
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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Mammalia Didelphimorphia Didelphidae

Scientific Name: Thylamys fenestrae
Species Authority: Martin, 2009
Taxonomic Source(s): Martin, G. 2009. Sobre la identidad de Thylamys (Marsupialia, Didelphidae) del oeste pampeano y centrosur del Espinal, Argentina. Mastozoologia Neotropical 16: 333-346.
Taxonomic Notes: This species was recently elevated to species level, based in morphology. Specimens assigned to this taxon were previously included in Thylamys pallidior. It was recognized as full species by Martin (2009) on morphological and morphometrical grounds, although considered as part of T. pallidior by Giarla et al. (2010) based on molecular data. Later, Formoso et al. (2011) documented that morphological characters supposedly diagnostic of fenestrae falls within the range variation of T. pallidior.

Assessment Information [top]

Red List Category & Criteria: Near Threatened ver 3.1
Year Published: 2016
Date Assessed: 2016-05-10
Assessor(s): Martin, G.M. & Flores, D.
Reviewer(s): Teta, P.
Justification:
The species is listed as Near Threatened, almost qualifying for Vulnerable under criterion A3c, because of a population decline (20-25%) suspected to occur over the next ten years. This suspected population reduction is based on intense reduction of suitable habitat, and the possibility of qualifying for a threatened category in the near future.
Previously published Red List assessments:

Geographic Range [top]

Range Description:This species is only found in southern Buenos Aires, eastern La Pampa and southern Córdoba provinces (Argentina). It might also occur in southern San Luis and southern Santa Fé provinces (Argentina).
Countries occurrence:
Native:
Argentina
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:No information is available on population. Despite this, a high degree of habitat modification and fragmentation could threaten populations of Thylamys fenestrae.
Current Population Trend:Decreasing
Additional data:

Habitat and Ecology [top]

Habitat and Ecology:Thylamys fenestrae lives in the Espinal temperate grasslands and portions of the low mountain areas of southern Buenos Aires province (Sierras de la Ventana) (Martin 2009). The species is nocturnal, and mostly scansorial. Little is known of its feeding preferences, but as other co-generic species it might feed on arthropods and small rodents.
Systems:Terrestrial

Threats [top]

Major Threat(s): This species occurs in only one protected area (Lihué Calel National Park). More research is necessary to determine the impact of agriculture and the substitution of natural systems by exotic species, in the area where T. fenestrae occurs.

Conservation Actions [top]

Conservation Actions: Surveys are needed to establish the distribution and natural history of this species.

Citation: Martin, G.M. & Flores, D. 2016. Thylamys fenestrae. The IUCN Red List of Threatened Species 2016: e.T199836A22172852. . Downloaded on 04 December 2016.
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