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Dipodomys gravipes

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA MAMMALIA RODENTIA HETEROMYIDAE

Scientific Name: Dipodomys gravipes
Species Authority: Huey, 1925
Common Name(s):
English San Quintin Kangaroo Rat

Assessment Information [top]

Red List Category & Criteria: Critically Endangered D ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
Assessor(s): Álvarez-Castañeda, S.T., Castro-Arellano, I. & Lacher, T.
Reviewer(s): McKnight, M. (Global Mammal Assessment Team) & Amori, G. (Small Nonvolant Mammal Red List Authority)
Justification:
Listed as Critically Endangered (Possibly Extinct) because this species has not been recorded since 1986 despite exhaustive surveys and it might already be extinct. Should this species be located, it is likely to be very few in number. Over the past 20 years its habitat has been completely destroyed for agricultural activities, and this species is very specific to these deep agricultural soils.
History:
1996 Endangered
1994 Endangered (Groombridge 1994)
1990 Endangered (IUCN 1990)
1988 Endangered (IUCN Conservation Monitoring Centre 1988)

Geographic Range [top]

Range Description: This species occurs in north-western Baja California, Mexico (Patton 2005).
Countries:
Possibly extinct:
Mexico (Baja California)
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: There is no information on population or abundance. This species has not been recorded since 1986, despite exhaustive surveys. This species may be extinct.
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: This species is found on cactus-covered slopes and in contiguous areas with short vegetation and little topographic relief; the southern populations inhabit floodplains and relatively flat areas bordered by mesas and hills.

It uses burrows that are not located under vegetation. The species apparently possesses a high affinity for flat land and a lack of tolerance for cultivation. It is nocturnal. Young are born during several months of the year, but the peaks appear to be in winter and spring (Best and Lackey 1985).
Systems: Terrestrial

Threats [top]

Major Threat(s): Threats include habitat destruction and agriculture, as well as intrinsic factors related to a restricted range. Little of this species' original habitat remains intact.

Conservation Actions [top]

Conservation Actions: This species protected by Mexican law (Norma Oficial Mexicana NOM-059-ECOL 2001).

Citation: Álvarez-Castañeda, S.T., Castro-Arellano, I. & Lacher, T. 2008. Dipodomys gravipes. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 01 August 2014.
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