Baja California rock squirrel

Species of rodent

Baja California rock squirrel

Conservation status
Endangered (IUCN 3.1)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Rodentia
Family:	Sciuridae
Genus:	Otospermophilus
Species:	O. atricapillus
Binomial name
*Otospermophilus atricapillus* (W. E. Bryant, 1889)
Synonyms
Spermophilus atricapillus W. E. Bryant, 1889

The Baja California rock squirrel (Otospermophilus atricapillus) is a species of rodent in the family Sciuridae. It is endemic to Baja California, Mexico.

References

^ Álvarez-Castañeda, S.T.; Castro-Arellano, I.; Lacher, T. (2008). "Otospermophilus beecheyi ssp. atricapillus". IUCN Red List of Threatened Species. 2008: e.T20480A9205705. doi:10.2305/IUCN.UK.2008.RLTS.T20480A9205705.en. Retrieved 9 February 2022.
^ Helgen, Kristofer M.; Cole, F. Russel; Helgen, Lauren E. & Wilson, Don E (2009). "Generic revision in the Holarctic ground squirrel genus Spermophilus". Journal of Mammalogy. 90 (2): 270–305. doi:10.1644/07-MAMM-A-309.1. S2CID 28483038.

v t e Living species of tribe Marmotini (ground squirrels)
Kingdom: Animalia Phylum: Chordata Class: Mammalia Order: Rodentia Suborder: Sciuromorpha Family: Sciuridae Subfamily: Xerinae
Ammospermophilus (antelope squirrels)	Harris's antelope squirrel (A. harrisii) Espíritu Santo antelope squirrel (A. insularis) Texas antelope squirrel (A. interpres) White-tailed antelope squirrel (A. leucurus) San Joaquin antelope squirrel (A. nelsoni)
Callospermophilus (golden-mantled ground squirrels)	Golden-mantled ground squirrel (C. lateralis) Sierra Madre ground squirrel (C. madrensis) Cascade golden-mantled ground squirrel (C. saturatus)
Cynomys (prairie dogs)	Gunnison's prairie dog (C. gunnisoni) White-tailed prairie dog (C. leucurus) Black-tailed prairie dog (C. ludovicianus) Mexican prairie dog (C. mexicanus) Utah prairie dog (C. parvidens)
Eutamias	Siberian chipmunk (E. sibiricus)
Ictidomys (little ground squirrels)	Mexican ground squirrel (I. mexicanus) Rio Grande ground squirrel (I. parvidens) Thirteen-lined ground squirrel (I. tridecemlineatus)
Marmota (marmots)	Subgenus Marmota: Gray marmot (M. baibacina) Bobak marmot (M. bobak) Alaska marmot (M. broweri) Black-capped marmot (M. camtschatica) Long-tailed marmot (M. caudata) Himalayan marmot (M. himalayana) Alpine marmot (M. marmota) Menzbier's marmot (M. menzbieri) Groundhog or woodchuck (M. monax) Tarbagan marmot (M. sibirica) Subgenus Petromarmota: Hoary marmot (M. caligata) Yellow-bellied marmot (M. flaviventris) Olympic marmot (M. olympus) Vancouver Island marmot (M. vancouverensis)
Neotamias (western chipmunks)	Alpine chipmunk (N. alpinus) Yellow-pine chipmunk (N. amoenus) Buller's chipmunk (N. bulleri) Gray-footed chipmunk (N. canipes) Gray-collared chipmunk (N. cinereicollis) Cliff chipmunk (N. dorsalis) Durango chipmunk (N. durangae) Merriam's chipmunk (N. merriami) Least chipmunk (N. minimus) California chipmunk (N. obscurus) Yellow-cheeked chipmunk (N. ochrogenys) Palmer's chipmunk (N. palmeri) Panamint chipmunk (N. panamintinus) Long-eared chipmunk (N. quadrimaculatus) Colorado chipmunk (N. quadrivittatus) Red-tailed chipmunk (N. ruficaudus) Hopi chipmunk (N. rufus) Allen's chipmunk (N. senex) Siskiyou chipmunk (N. siskiyou) Sonoma chipmunk (N. sonomae) Lodgepole chipmunk (N. speciosus) Townsend's chipmunk (N. townsendii) Uinta chipmunk (N. umbrinus)
Notocitellus	Tropical ground squirrel (N. adocetus) Ring-tailed ground squirrel (N. annulatus)
Otospermophilus (rock squirrels)	Baja California rock squirrel (O. atricapillus) California ground squirrel (O. beecheyi) Rock squirrel (O. variegatus)
Poliocitellus	Franklin's ground squirrel (P. franklinii)
Sciurotamias (Asian rock squirrels)	Père David's rock squirrel (S. davidianus) Forrest's rock squirrel (S. forresti)
Spermophilus sensu stricto (Old World ground squirrels)	Alashan ground squirrel (S. alashanicus) Brandt’s ground squirrel (S. brevicauda) European ground squirrel (S. citellus) Daurian ground squirrel (S. dauricus) Red-cheeked ground squirrel (S. erythrogenys) Yellow ground squirrel (S. fulvus) Russet ground squirrel (S. major) Caucasian mountain ground squirrel (S. musicus) Tian Shan ground squirrel (S. nilkaensis) Pallid ground squirrel (S. pallidicauda) Little ground squirrel (S. pygmaeus) Relict ground squirrel (S. relictus) Speckled ground squirrel (Spermophilus suslicus) Taurus ground squirrel (Spermophilus taurensis) Asia Minor ground squirrel (Spermophilus xanthoprymnus)
Tamias	Eastern chipmunk (T. striatus)
Urocitellus (Holarctic ground squirrels)	Uinta ground squirrel (U. armatus) Belding's ground squirrel (U. beldingi) Northern Idaho ground squirrel (U. brunneus) Merriam's ground squirrel (U. canus) Columbian ground squirrel (U. columbianus) Wyoming ground squirrel (U. elegans) Southern Idaho ground squirrel (U. endemicus) Piute ground squirrel (U. mollis) Arctic ground squirrel (U. parryii) Richardson's ground squirrel (U. richardsonii) Townsend's ground squirrel (U. townsendii) Long-tailed ground squirrel (U. undulatus) Washington ground squirrel (U. washingtoni)
Xerospermophilus (pygmy ground squirrels)	Mohave ground squirrel (X. mohavensis) Perote ground squirrel (X. perotensis) Spotted ground squirrel (X. spilosoma) Round-tailed ground squirrel (X. tereticaudus)
Category

Taxon identifiers
Spermophilus atricapillus	Wikidata: Q953910 Wikispecies: Otospermophilus atricapillus ARKive: spermophilus-atricapillus CoL: 4YK9Z EoL: 1041050 GBIF: 2437292 iNaturalist: 1370801 IRMNG: 10226419 ITIS: 632445 MSW: 12400993 Observation.org: 87732

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