Listing
Dec 30, 1982
Dec 30, 1982 Listing
Review of Vertebrate Wildlife for Listing as End. or Thr. Species
- Publication type: CNOR
Item 1
FWS Focus
Overview
Characteristics
Overview
The Stephens’ kangaroo rat is a small, nocturnal mammal. It was listed as endangered in 1988. Threats at the time of listing included loss and fragmentation of habitat. The Stephens’ kangaroo rat was discovered at four additional geographical locations after the 1988 listing, and its status has improved to the point that it is not currently in danger of extinction throughout all or a significant portion of its range. It was downlisted to threatened in 2021.
The threat of habitat loss has been significantly reduced through the development and implementation of the Stephens’ Kangaroo Rat Habitat Conservation Plan and the Western Riverside County Multiple Species Habitat Conservation Plan in Riverside County, and management efforts by the Department of Defense on Naval Weapons Station Seal Beach Detachment Fallbrook, Marine Corps Base Camp Pendleton and at Navy Base Coronado’s Remote Training Site Warner Springs in San Diego County.
Scientific Name
Dipodomys stephensi
Common Name
Stephens' kangaroo rat
Stephens's Kangaroo Rat
FWS Category
Mammals
Identification Numbers
Characteristics
Characteristic category
Physical Characteristics
Characteristics
Color & Pattern
The species is brown and white.
Weight
It weighs on average 2.37 ounces.
Size & Shape
It has fur-lined, external cheek pouches used for transporting seeds, large hind legs for leaping with smaller front legs and a large head. Its hind feet have dusky soles and five toes, and its tail is one and a half times its body length.
Characteristic category
Habitat
Characteristics
Habitat
Kangaroo rats possess a number of behavioral, morphological and physiological adaptations that allow them to inhabit warm, arid environments. Its habitat generally consists of open grasslands and sparsely vegetated scrub.
Characteristic category
Behavior
Characteristics
Behavior
Kangaroo rats construct and live in underground burrow systems used for shelter, protection from predators, food storage and nesting. Breeding activity is higher in winter and spring, and the maximum life span has been reported from two to six years.
Characteristic category
Food
Characteristics
Food
They primarily eat seeds and forage almost entirely at night.
Geography
Characteristics
Range
Populations of the Stephens’ kangaroo rat occur in three geographic regions of southern California: western Riverside County, western San Diego County and central San Diego County.
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