Handleyomys rostratus 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Mammalia Rodentia Cricetidae

Scientific Name: Handleyomys rostratus (Merriam, 1901)
Common Name(s):
English Long-nosed Rice Rat
Oryzomys rostratus Merriam, 1901
Taxonomic Notes: Pending revisionary work, Oryzomys rostratus has been provisionally reassigned to the new genus Handleyomys (Weksler et al. 2006).

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2016
Date Assessed: 2016-09-11
Assessor(s): Reid, F. & Vázquez, E.
Reviewer(s): Amori, G.
This species is listed as Least Concern in view of its wide distribution, presumed large population, tolerance of a broad range of habitats, and because it is unlikely to be declining at nearly the rate required to qualify for listing in a threatened category.
Previously published Red List assessments:

Geographic Range [top]

Range Description:This species occurs in deciduous and evergreen tropical forests from central Tamaulipas to Oaxaca and the Yucatán Peninsula, Mexico, through Guatemala, El Salvador, Honduras, and Nicaragua, to Costa Rica (Musser and Carleton 2005). It is found from low elevations to 1,200 m (Reid 1997).
Countries occurrence:
Belize; Costa Rica; El Salvador; Guatemala; Honduras; Mexico; Nicaragua
Additional data:
Upper elevation limit (metres):1200
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:This rat is generally uncommon; occasionally locally or seasonally abundant (Reid 1997).
Current Population Trend:Stable
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:It is found in forest edge, and coffee groves, cane, brush, and grassy areas adjacent to evergreen or deciduous forest but is sometimes found in mature forest near tree falls and natural gaps (Reid 1997). It is nocturnal and mainly terrestrial; it sometimes climbs on logs, low brush, or at the base of trees. Its litter size is 3 to 4 (Reid 1997).
Generation Length (years):1-2

Threats [top]

Major Threat(s): None.

Conservation Actions [top]

Conservation Actions: Occurs in protected areas, including Tortuguero National Park in Costa Rica.

Errata [top]

Errata reason: This errata assessment has been created because the map was accidentally left out of the version published previously.

Citation: Reid, F. & Vázquez, E. 2016. Handleyomys rostratus. (errata version published in 2017) The IUCN Red List of Threatened Species 2016: e.T15612A115128466. . Downloaded on 22 October 2017.
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