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Thylamys karimii

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA MAMMALIA DIDELPHIMORPHIA DIDELPHIDAE

Scientific Name: Thylamys karimii
Species Authority: (Petter, 1968)
Common Name(s):
English Karimi's Fat-tailed Mouse Opossum

Assessment Information [top]

Red List Category & Criteria: Vulnerable A2c+3c ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
Assessor(s): Pires Costa, A. & Patterson, B.
Reviewer(s): Amori, G. (Small Nonvolant Mammal Red List Authority) & Schipper, J. (Global Mammal Assessment Team)
Justification:
Listed as Vulnerable because it is estimated that a population decline, estimated to be more than 30% has been met over the past 10 years and would be met over the next 10 years, inferred from projected rates of conversion, even though the species is relatively widespread geographically. The habitat where this species occurs has been heavily targeted for soy bean production, which is converting natural vegetation to large scale agro-industrial monoculture farming, which is threatening this any other similar species restricted to this region.

Geographic Range [top]

Range Description: This species is endemic to Brazil, where it is found in the cerrado and caatinga in northeast and central parts of the country (Gardner 2007).
Countries:
Native:
Brazil
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: Probably occurs at low densities, although not rare (Carmignotto and Monfort, In press).
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: Occurs in open habitats, including open grasslands, shrubby vegetation and dry forest (caatinga), as well as dense savannas with trees in the cerrado (Carmignotto and Monfort, In press) - an area currently targeted for soy bean production. Found from 300-1,100 m (Carmignotto and Monfort, In press). Unlike other mouse opossums, Thylamys are found in the central and southern part of South America in dry habitats, as opposed to the more mesic environments of other genera (Palma et al. 2002). The species of this genus are mainly arboreal and crepuscular, with a diet that is mostly insects and small vertebrates (Palma et al. 2002).
Systems: Terrestrial

Threats [top]

Major Threat(s): There is widespread agriculture, mainly soybean plantations, which are removing the species habitats (Carmignotto and Monfort, In press).

Conservation Actions [top]

Conservation Actions: Occurs in several protected areas (Carmignotto and Monfort, In press).

Citation: Pires Costa, A. & Patterson, B. 2008. Thylamys karimii. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 02 September 2014.
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