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Microdipodops pallidus

Taxonomy 
Scientific Name:Microdipodops pallidus
Common name:pale kangaroo mouse
Family:Heteromyidae Minor Group:Mammal Major Group:Vertebrate Animal
Rank and Status     
Global Rank:G3 Endemic:No NNHP Track Status:At-Risk List
Subnational (State) Rank:S2 Sand Dunes:Marginal USESA Status:No Status
Native Status:Native Wetland:No
Other Agency Status Status Last Updated Status Comments
Bureau of Land Management - Nevada Sensitive 2011 list
State of Nevada Protected Protected Mammal NAC 503.030.1
Nevada Wildlife Action Plan - 2012 Species of Conservation Priority
Nevada Wildlife Action Plan - 2005 Species of Conservation Priority
CCVI Score Moderately Vulnerable Conf. Mod.; factors contributing to increased vulnerability are natural and anthropogenic barriers, climate change mitigation, historical hydrological niche, and physical habitat.
Distribution (NV Counties)

Status: Confident or certain

Churchill Lincoln Mineral Pershing
Esmeralda Lyon Nye Washoe
Summary Occurrence Data
Occurrence Count:68
Total Observed Area (hectares):Not Available
Maximum Known Elevation (m):1951
Minimum Known Elevation (m):1175
Links
Microdipodops pallidus data at NatureServe
Microdipodops pallidus photos and data at Encyclopedia of Life
Character Abstract
Identification Comments:
Subspecies Comments:
Food Habits:Primarily granivorous; eats Indian rice grass and a variety of forbs. Summer diet is supplemented with insects including beetles, centipedes, and moth pupae. Seeds may be stored and conserved during periods of food shortage.
Phenology Comments:
Reproduction Comments:Pregnant individuals recorded from 29 March to 22 September. Litter size reported to range from 2-6 with a mean of 3.9.
Migration Mobility:
Habitat Comments:This species is a highly specialized sand-obligate. It is typically restricted to fine, loose, sandy soils (with little or no gravel overlay) in valley bottoms dominated by saltbush and greasewood. It may also be found near sagebrush at its higher elevation range. Elevations range between 1,189 and 1,829 meters.
Ecology comments:Trapping results show that pale kangaroo mouse is among the least abundant of the nocturnal desert rodents in sandy habitats of the Great Basin (Hafner et al. 2008). Hafner et al. 2008 also documented that the geographical distribution of this species has remained remarkably unchanged over the last 75 years (i.e., since Hall's work). However, there is evidence of some populations that may be extirpated near urban areas such as near Dayton, NV (G. Baumgartner, pers. comm., 2011). Despite climate change concerns, no evidence was noted for any natural, systematic distributional changes. This species may undergo periods torpor. Spring/summer torpor is brief and employed only when starving, and multi-day torpor may occur in winter (French 1989). Pale kangaroo mouse is active just after sundown and is active throughout the night.
Version Date:
Images:
individual
Photographer: Copyright Aaron Ambos
Photo Date: