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You are here >1Up Info > Wildlife, Animals, and Plants > Wildlife Species > Mammals > Wildlife Species: Sciurus aberti | Abert's Squirrel

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WILDLIFE SPECIES: Sciurus aberti | Abert's Squirrel
GENERAL DISTRIBUTION : The Abert's squirrel is confined to the Colorado Plateau and the southern Rocky Mountains of Colorado, Utah, Arizona, and New Mexico; its range extends south in the Sierra Madre Occidental to Chihuahua and Durango in Mexico [17]. Abert's squirrel also extends a short distance into Wyoming where ponderosa pine (Pinus ponderosa) is present. Abert's squirrels transplanted to the Graham and Santa Catalina mountains of Arizona have established stable populations. Mellott and Choate [22] reported Abert's squirrels present in the Spanish Peaks State Wildlife Area, 43 miles (72 km) southeast of the previously known Abert's squirrel range. The distribution of Abert's squirrel subspecies in the Southwest is coincident with the disjunct ponderosa pine forests [24]. Subspecies distributions are as follows [17]: S. a. aberti: northern Arizona S. a. barberi: northwestern Chihuahua S. a. chuscensis: New Mexico-Arizona border area S. a. durangi: Durango S. a. ferreus: Rocky Mountains, central Colorado S. a. kaibabensis: Kaibab Plateau, northern Arizona S. a. mimus: New Mexico-Colorado border area S. a. navajo: southeastern Utah S. a. phaeurus: Durango and extreme southern Chihuahua ECOSYSTEMS : FRES21 Ponderosa pine FRES35 Pinyon-juniper STATES :

BLM PHYSIOGRAPHIC REGIONS : 7 Lower Basin and Range 11 Southern Rocky Mountains 12 Colorado Plateau 13 Rocky Mountain Piedmont KUCHLER PLANT ASSOCIATIONS : K019 Arizona pine forest K023 Juniper-pinyon woodland SAF COVER TYPES : 237 Interior ponderosa pine 239 Pinyon-juniper SRM (RANGELAND) COVER TYPES : 412 Juniper-pinyon woodland PLANT COMMUNITIES : The Abert's squirrel is closely associated with, and nearly confined to, cool, dry interior ponderosa pine forests [17]. In Arizona ponderosa pine forests are most extensive between 5,500 and 8,500 feet (1,676-2,590 m) elevation [27]. Abert's squirrels occur in pure ponderosa pine stands or stands with associated Gambel oak (Quercus gambelii), true pinyon (P. edulis), junipers (Juniperus spp.), quaking aspen (Populus tremuloides), and Douglas-fir (Pseudotsuga menziesii) [17]. Findley and others [9] mention that Abert's squirrels are common in mixed conifer canyons in New Mexico. REFERENCES : NO-ENTRY

Related categories for Wildlife Species: Sciurus aberti | Abert's Squirrel

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Information Courtesy: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory. Fire Effects Information System

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