The Zoochat Photographic Guide to Rodents: part one

Callospermophilus
Three species, two of which are represented in the Zoochat galleries.

Taxonomic note: formerly (and still by various authors) placed under Spermophilus as a subgenus.


Golden-mantled Ground Squirrel Callospermophilus lateralis
Thirteen subspecies: arizonensis, bernardinus, castanurus, certus, chrysodeirus, cinerascens, connectens, lateralis, mitratus, tescorum, trepidus, trinitatus, wortmani


Photo by @Giant Eland in the wild, Arizona (USA) (subspecies arizonensis)

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golden-mantled ground squirrel (Callospermophilus lateralis) - ZooChat


Photo by @zoo_sipsik in the wild, Wyoming (USA) (subspecies castanurus I think - the locality of the photo is Grand Teton National Park which is around the boundary on distribution maps between castanurus and cinerascens)

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Golden-mantled ground squirrel (Callospermophilus lateralis) - ZooChat


Photo by @Ituri in the wild, Oregon (USA) (subspecies chrysodeirus)

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Golden-mantled Ground Squirrel | ZooChat


Photo by @savethelephant in the wild, Colorado (USA) (subspecies lateralis)

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Golden Mantled Ground Squirrel | ZooChat


Photo by @Ituri in the wild, Alberta (Canada) (subspecies tescorum - the photo is labeled as being cinerascens but tescorum is the only subspecies in Canada)

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Golden-mantled Ground Squirrel | ZooChat


Photo by @Ituri in the wild, Idaho (USA) (subspecies trepidus)

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Golden-mantled Ground Squirrel | ZooChat



Sierra Madre Ground Squirrel Callospermophilus madrensis
Monotypic


There are no photos of this species in the Zoochat galleries.



Cascade Golden-mantled Ground Squirrel Callospermophilus saturatus
Monotypic


Photo by @Giant Eland in the wild, Washington (USA)

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Cascade Golden-mantled Ground Squirrel (Callospermophilus saturatus) - ZooChat
 
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Cynomys
Five species, all of which are represented in the Zoochat galleries.


Gunnison's Prairie Dog Cynomys gunnisoni
Two subspecies: gunnisoni, zuniensis


Photo by @Giant Eland in the wild, Arizona (USA) (subspecies zuniensis)

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Gunnison's prairie dog (Cynomys gunnisoni) - ZooChat


White-tailed Prairie Dog Cynomys leucurus
Monotypic


Photo by @Ituri in the wild, Wyoming (USA)

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White-tailed Prairie Dog (Cynomys leucurus) - ZooChat


Black-tailed Prairie Dog Cynomys ludovicianus
Depending on authority, either monotypic or with two subspecies (arizonensis and ludovicianus)


Photo by @vogelcommando at Faunapark Flakkee, Netherlands

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Black-tailed prairie-dog | ZooChat


Mexican Prairie Dog Cynomys mexicanus
Monotypic


Photo by @Giant Eland at Zoologico de San Juan de Aragon, Mexico

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Mexican prairie dog (Cynomys mexicanus) - ZooChat


Utah Prairie Dog Cynomys parvidens
Monotypic


Photo by @Ituri at Hogle Zoo, USA

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Utah Prairie Dog | ZooChat
 
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Eutamias
One species

Taxonomic note: formerly (and still by various authors) placed under Tamias as a subgenus.


Siberian Chipmunk Eutamias sibiricus
Normally nine subspecies are recognised (asiaticus, lineatus, okadae, ordinalis, orientalis, pallasi, senescens, sibiricus, umbrosus), but more recently this has been reduced to only three: barberi in Korea (previously part of E. s. orientalis), senescens in central China, and sibiricus throughout the rest of the range. The Korean subspecies may be separable as a full species.


There are surprisingly few photos of this commonly-kept species in the Zoochat galleries, and none are labelled to subspecies (Zootierliste has them down as non-subspecific status). Various papers, e.g. https://onlinelibrary.wiley.com/doi/pdf/10.1111/mam.12117 and https://www.researchgate.net/public...1769_Rodentia_Sciuridae_established_in_France state that the animals traded throughout Europe are the South Korean subspecies barberi, and that "All the available photos of introduced individuals show the morphological features of this subspecies".


Photo by @Arek at Poznan Zoo, Poland (subspecies barberi, as per the above)

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Siberian Chipmunk | ZooChat


Photo by @Chlidonias at a bird market in China (probably the subspecies senescens if wild-caught)

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Bird Market, Xian | ZooChat


Photo by @carl the birder in the wild, Mongolia (subspecies sibiricus)

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siberian chipmunk outside of ulan bator - ZooChat
 
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Ictidomys
Two or three species, two of which are represented in the Zoochat galleries.

Taxonomic note: formerly (and still by various authors) placed under Spermophilus as a subgenus.


Mexican Ground Squirrel Ictidomys mexicanus
Monotypic if Ictidomys parvidens is separated (see below)


There are no photos of this species in the Zoochat galleries.


Rio Grande Ground Squirrel Ictidomys parvidens
Monotypic - more usually this squirrel is treated as a subspecies of the Mexican Ground Squirrel Ictidomys mexicanus


Photo by @Pleistohorse in the wild, Texas (USA)

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Mexican Ground Squirrel - Texas | ZooChat


Thirteen-lined Ground Squirrel Ictidomys tridecemlineatus
Ten subspecies: alleni, arenicola, blanca, hollisteri, monticola, olivaceus, pallidus, parvus, texensis, tridecemlineatus


Photo by @birdsandbats in the wild, Wisconsin (USA) (subspecies tridecemlineatus)

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Thirteen-Lined Ground Squirrel (Ictidomys tridecemlineatus) | ZooChat


Photo by @Ituri in the wild, Kansas (USA) (subspecies texensis)

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Thirteen-lined Ground Squirrel | ZooChat
 
Marmota
Fourteen species, ten of which are represented in the Zoochat galleries (one only as a taxidermy specimen).


Bobak or Steppe Marmot Marmota bobak
Two subspecies: bobak, tschaganensis (a third, kozlovi, may also be recognised). There are few photos in the Zoochat galleries and none are identified to subspecies.


Photo by @Giant Eland at Moscow Zoo, Russia

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(Marmota bobak) Bobak marmot | ZooChat


Hoary Marmot Marmota caligata
Three subspecies: caligata, cascadensis, okanagana

Taxonomic note: formerly included the Alaskan Marmot Marmota broweri as a subspecies.


Photo by @Giant Eland in the wild, Washington (USA) (subspecies cascadensis)

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Hoary Marmot (Marmota caligata) - ZooChat


Photo by @Ituri in the wild, Montana (USA) (subspecies okanagana)

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Hoary Marmot | ZooChat


Long-tailed or Golden Marmot Marmota caudata
Three subspecies: aurea, caudata, dichrous


Photo by @J I N X in the wild, Pakistan (subspecies aurea)

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Long-tailed marmot - Khunjerab NP 7/5/2019 - ZooChat


Yellow-bellied Marmot Marmota flaviventris
Seven subspecies: avara, dacota, flaviventris, luteola, nosophora, notioros, obscura. Four further subspecies may also be recognised: engelhardti, fortirostris, parvula, sierrae


Photo by @Ituri in the wild, Idaho (USA) (subspecies avara)

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Yellow-bellied Marmot | ZooChat


Photo by @Giant Eland in the wild, Colorado (USA) (subspecies luteola)

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yellow-bellied marmot (Marmota flaviventris) @ Rocky Mountain NP 2011 | ZooChat


Photo by @Ituri in the wild, Idaho (USA) (subspecies nosophora)

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Yellow-bellied Marmot | ZooChat


Himalayan Marmot Marmota himalayana
Two subspecies: himalayana, robusta - but see Genetic evidence for subspecies differentiation of the Himalayan marmot, Marmota himalayana, in the Qinghai-Tibet Plateau


Photo by @Deer Forest in the wild, China (subspecies robusta I think, but there are discrepancies in published distributions of the two subspecies, as per the link above)

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Himalayan marmot | ZooChat


Alpine Marmot Marmota marmota
Two subspecies: latirostris, marmota


Photo by @Javan Rhino at Artis Royal Zoo, Netherlands (subspecies marmota)

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Alpine marmot | ZooChat


Woodchuck or Groundhog Marmota monax
Four to nine subspecies: canadensis, ignava, monax, rufescens if only four are recognised. The other five subspecies which may be followed are bunkeri, johnsoni, ochracea, petrensis, preblorum.


Photo by @TheGerenuk in the wild, Toronto (Canada) (subspecies canadensis)

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Groundhog - ZooChat


Photo by @Elephantlover in the wild, Maryland (USA) (subspecies monax)

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ground hog | ZooChat


Olympic Marmot Marmota olympus
Monotypic


Photo by @Giant Eland in the wild, Washington, (USA)

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Olympic Marmot (Marmota olympus) - ZooChat


Tarbagan or Mongolian or Siberian Marmot Marmota sibirica
Two subspecies: caliginosus, sibirica

Photo by @Giant Eland at Beijing Zoo, China (unknown subspecies)

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Tarbagan marmot (Marmota sibirica) | ZooChat


Photo by @Chlidonias in the wild, Mongolia (subspecies sibirica)

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Siberian Marmot (Marmota sibirica sibirica) - ZooChat


Vancouver Island Marmot Marmota vancouverensis
Monotypic


Photo by @snowleopard at Mountain View Conservation and Breeding Centre, Canada (taxidermy specimen)

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Vancouver Island Marmot - Stuffed | ZooChat
 
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The remaining four species in the genus Marmota are not represented in the Zoochat galleries:


Altai or Grey Marmot Marmota baibacina
Three subspecies: baibacina, centralis, kastschenkoi

Taxonomic note: the subspecies kastschenkoi may be separated as a full species, the Forest-Steppe Marmot, although this seems to only be done by Russian taxonomists.


Alaskan or Brower's Marmot Marmota broweri
Monotypic

Taxonomic note: formerly treated as a subspecies of the Hoary Marmot M. caligata.


Black-capped Marmot Marmota camtschatica
Three subspecies: bungei, camtschatica, doppelmayri


Menzbier's Marmot Marmota menzbieri
Two subspecies: menzbieri, zachidovi
 
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Chlidonias said:
Gunnison's Prairie Dog Cynomys gunnisoni
Two subspecies: gunnisoni, zuniensis


There are no photos of this species in the Zoochat galleries.
Click to expand...

Fairly sure I've seen shots knocking about somewhere - I shall do some digging.
 
Neotamias
At least twenty-three species, ten of which are represented in the Zoochat galleries.

Taxonomic note: formerly (and still by various authors) placed under Tamias as a subgenus.


Yellow-pine Chipmunk Neotamias amoenus
Fourteen subspecies: affinis, albiventris, amoenus, canicaudus, caurinus, celeris, cratericus, felix, ludibundus, luteiventris, monoensis, ochraceus, septentrionalis, vallicola

Note: the subspecies cratericus (currently of restricted range) is likely to be a full species and of a substantially wider distribution. See https://www.biorxiv.org/content/biorxiv/early/2022/03/02/2022.02.28.482304.full.pdf


Photo by @Ituri in the wild, Idaho (USA) (subspecies amoenus)

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Yellow Pine Chipmunk | ZooChat


Photo by @Giant Eland in the wild, Washington (USA) (subspecies caurinus)

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Olympic Chipmunk (Neotamias amoenus caurinus) - ZooChat


Photo by @ThylacineAlive in the wild, Idaho (USA) (subspecies cratericus)

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Craters of the Moon Chipmunk - ZooChat


Photo by @Giant Eland in the wild, Washington (USA) (subspecies ludibundus I think at Mt. Rainier)

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Yellow-pine Chipmunk (Neotamias amoenus) - ZooChat


Cliff Chipmunk Neotamias dorsalis
Six subspecies: carminis, dorsalis, grinnelli, nidoensis, sonoriensis, utahensis


Photo by @Giant Eland at Wildlife World Zoo and Aquarium, USA (unknown subspecies)

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cliff chipmunk (Tamias dorsalis) 2010 | ZooChat


Photo by @Giant Eland in the wild, Arizona (USA) (subspecies dorsalis)

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cliff chipmunk (Neotamias dorsalis) - ZooChat


Least Chipmunk Neotamias minimus
Eighteen subspecies: atristriatus, borealis, cacodemus, caniceps, caryi, confinis, consobrinus, grisescens, hudsonius, minimus, neglectus, operarius, oreocetes, pallidus, pictus, scrutator, selkirki, silvaticus

Note: the subspecies grisescens is likely to be a full species. See https://www.biorxiv.org/content/biorxiv/early/2022/03/02/2022.02.28.482304.full.pdf


Photo by @Giant Eland in the wild, Colorado (USA) (subspecies caryi)

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least chipmunk (Tamias minimus) @ Rocky Mountain NP 2011 | ZooChat


Photo by @Ituri in the wild, Wyoming (USA) (subspecies minimus)

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Least Chipmunk (Neotamias minimus minimus) - ZooChat


Photo by @Ituri in the wild, Idaho (USA) (subspecies pictus)

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Least Chipmunk | ZooChat


Colorado Chipmunk Neotamias quadrivittatus
Monotypic


Photo by @Giant Eland at Wildlife World Zoo and Aquarium (USA)

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Colorado chipmunk (Neotamias quadrivittatus) 2010 | ZooChat
 
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Red-tailed Chipmunk Neotamias ruficaudus
Two subspecies: ruficaudus, simulans


Photo by @Ituri in the wild, Idaho (USA) (subspecies simulans)

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Red-tailed Chipmunk | ZooChat


Hopi Chipmunk Neotamias rufus
Monotypic


Photo by @Giant Eland in the wild, Utah (USA)

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Hopi chipmunk (Neotamias rufus) - ZooChat


Sonoma Chipmunk Neotamias sonomae
Two subspecies: alleni, sonomae


Photo by @red river hog in the wild, California (USA) (subspecies alleni)

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Sonoma Chipmunk - ZooChat


Lodgepole Chipmunk Neotamias speciosus
Four subspecies: callipeplus, frater, sequoiensis, speciosus


Photo by @Arizona Docent in the wild, California (USA) (subspecies sequioensis)

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lodgepole chipmunk (wild) - ZooChat


Townsend's Chipmunk Neotamias townsendii
Two subspecies: cooperi, townsendii


Photo by @Giant Eland in the wild, Washington (USA) (subspecies townsendii)

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Townsend's Chipmunk (Neotamias townsendii) - ZooChat


Uinta Chipmunk Neotamias umbrinus
Seven subspecies: adsitus, fremonti, inyoensis, montanus, nevadensis, sedulus, umbrinus


Photo by @Arizona Docent in the wild, Arizona (USA) (subspecies adsitus)

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uinta chipmunk - ZooChat
 
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None of the remaining thirteen species in the genus Neotamias are represented in the Zoochat galleries:


Alpine Chipmunk Neotamias alpinus
Monotypic


Buller's Chipmunk Neotamias bulleri
Monotypic


Grey-footed Chipmunk Neotamias canipes
Two subspecies: canipes, sacramentoensis


Grey-collared Chipmunk Neotamias cinereicollis
Two subspecies: cinereicollis, cinereus


Durango Chipmunk Neotamias durangae
Monotypic


Merriam's Chipmunk Neotamias merriami
Three subspecies: kernensis, merriami, pricei


California Chipmunk Neotamias obscurus
Three subspecies: davisi, meridionalis, obscurus


Yellow-cheeked Chipmunk Neotamias ochrogenys
Monotypic


Palmer's Chipmunk Neotamias palmeri
Monotypic


Panamint Chipmunk Neotamias panamintinus
Two subspecies: acrus, panamintinus


Long-eared Chipmunk Neotamias quadrimaculatus
Monotypic


Allen's Chipmunk Neotamias senex
Two subspecies: pacifica, senex


Siskiyou Chipmunk Neotamias siskiyou
Two subspecies: humboldti, siskiyou
 
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Notocitellus
Two species, neither of which is represented in the Zoochat galleries.

Taxonomic note: formerly (and still by various authors) placed under Spermophilus as a subgenus.


Tropical Ground Squirrel Notocitellus adocetus
Two subspecies: adocetus, infernatus


Ring-tailed Ground Squirrel Notocitellus annulatus
Two subspecies: annulatus, goldmani
 
Otospermophilus
Three species, two of which are represented in the Zoochat galleries.

Taxonomic note: formerly (and still by various authors) placed under Spermophilus as a subgenus.


Baja California Rock Squirrel Otospermophilus atricapillus
Monotypic - may also be treated as a subspecies of Otospermophilus beecheyi


There are no photos of this species in the Zoochat galleries.


California Ground Squirrel Otospermophilus beecheyi
Eight subspecies: beecheyi, douglasii, fisheri, nesioticus, nudipes, parvulus, rupinarum, sierrae

Taxonomic note: the Baja California Rock Squirrel Otospermophilus atricapillus may also be treated as a subspecies; and the subspecies douglasii was formerly (may still be) considered to be a full species, the Douglas' Rock Squirrel O. douglasii.


Photo by @red river hog in the wild, California (USA) (subspecies beecheyi)

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California Ground Squirrel - ZooChat


Photo by @DesertTortoise in the wild, California (USA) (subspecies douglasii)

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Douglas’ Ground Squirrel (Otospermophilus douglasii) - ZooChat


Photo by @ThylacineAlive in the wild, California (USA) (subspecies fisheri)

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California Ground Squirrel | ZooChat


Photo by @pangolin12 in the wild, California (USA) (subspecies parvulus)

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Squirrel ID? - Wild in The Living Desert - ZooChat


Rock Squirrel Otospermophilus variegatus
Eight subspecies: buckleyi, couchii, grammurus, robustus, rupestris, tularosae, utah, variegatus


Photo by @jbnbsn99 in the wild, Texas (USA) (subspecies buckleyi)

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Wild Rock Squirrel | ZooChat


Photo by @Giant Eland in the wild, Arizona (USA) (subspecies grammurus)

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rock squirrel (Otospermophilus variegatus) - ZooChat


Photo by @Giant Eland (wild?) at Zoologico de San Juan de Aragon, Mexico (at the location of this zoo, presumably the nominate subspecies variegatus)

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rock squirrel (Otospermophilus variegatus) - ZooChat
 
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Sciurotamias
Two species, one of which is represented in the Zoochat galleries.


Père David's Rock Squirrel Sciurotamias davidianus
Two subspecies: davidianus, consobrinus


Photo by @Deer Forest in the wild, China (subspecies davidianus)

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Chinese rock squirrel (Sciurotamias davidianus davidianus) | ZooChat


Photo by @Tomek at Tierpark Cottbus, Germany

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P?re David's Rock Squirrel (Sciurotamias davidianus) | ZooChat


Forrest's Rock Squirrel Sciurotamias forresti
Monotypic


There are no photos of this species in the Zoochat galleries.
 
Spermophilus
Fourteen species, three of which are represented in the Zoochat galleries.

Taxonomic note 1: the genera Callospermophilus (3 spp), Ictidomys (3 spp), Notocitellus (2 spp), Otospermophilus (3 spp), Poliocitellus (1 sp), Urocitellus (13 spp), and Xerospermophilus (4 spp) were formerly treated as subgenera of Spermophilus. There may be discrepancies as to which species are placed in which (sub)genera. I have followed the taxonomy of this paper: Generic Revision in the Holarctic Ground Squirrel Genus Spermophilus

Taxonomic note 2: the name Citellus was formerly used for this genus (inclusive of all the subgenera named above).


European Ground Squirrel or European Souslik Spermophilus citellus
Four subspecies is usual, currently: citellus, gradojevici, istricus, martinoi. Further subspecies were formerly also recognised: karamani and macedonicus (both now synonymised with gradojevici), laskarevi (now in istricus), and balcanicus and thracius (both now in martinoi).


Photo by @Tomek at Poznan Zoo, Poland (subspecies citellus)

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European Souslik (Spermophilus citellus) | ZooChat


Speckled or Spotted Ground Squirrel Spermophilus suslicus
Three subspecies: boristhenicus, guttatus, suslicus


Photo by @woolyrat at Leningrad Zoo, Russia (unknown subspecies)
[Note that the photographed specimen is suffering from considerable hair loss]

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Spotted souslik - Citellus suslicus | ZooChat


Asia Minor Ground Squirrel Spermophilus xanthoprymnus
Monotypic, although the subspecies gelengius has previously been recognised.


Photo by @devilfish at Antalya Zoo, Turkey
[Note that the most reliable way to distinguish S. xanthoprymnus from S. taurensis in living animals is the black-tipped tail of the latter species. Unfortunately the tail on the photographed specimen is hairless, and hence the identification as xanthoprymnus is best described as "the most probable" one]

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Anatolian ground squirrel, January 2020 - ZooChat
 
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None of the remaining eleven species in the genus Spermophilus are represented in the Zoochat galleries:


Alashan Ground Squirrel Spermophilus alashanicus
Monotypic


Brandt's Ground Squirrel Spermophilus brevicauda
Monotypic


Daurian Ground Squirrel Spermophilus dauricus
Monotypic


Red-cheeked Ground Squirrel Spermophilus erythrogenys
Monotypic


Yellow Ground Squirrel Spermophilus fulvus
Three subspecies: fulvus, hypoleucos, oxianus


Russet Ground Squirrel Spermophilus major
Monotypic


Pallid Ground Squirrel Spermophilus pallidicauda
Monotypic

Taxonomic note: formerly included in the Red-cheeked Ground Squirrel Spermophilus erythrogenys.


Little Ground Squirrel Spermophilus pygmaeus
Five subspecies: brauneri, herbicolus, mugosaricus, musicus, pygmaeus

Taxonomic note: the subspecies musicus may also be treated as a full species (the Caucasian Mountain Ground Squirrel).


Tien Shan Ground Squirrel Spermophilus ralli
Monotypic


Relict Ground Squirrel Spermophilus relictus
Monotypic


Taurus Ground Squirrel Spermophilus taurensis
Monotypic (formerly included with S. xanthoprymnus)
 
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Tamias
One species

Taxonomic note: the genera Eutamias (1 sp) and Neotamias (23 spp) were formerly treated as subgenera of Tamias.


Eastern Chipmunk Tamias striatus
Eleven subspecies: doorsiensis, fisheri, griseus, lysteri, ohioensis, peninsulae, pipilans, quebecensis, rufescens, striatus, venustus


Photo by @Giant Eland in the wild, Washington DC (USA) (subspecies fisheri)

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eastern chipmunk (Tamias striatus) | ZooChat


Photo by @ChunkyMunky pengopus in the wild, Illinois (USA) (subspecies griseus)

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Eastern Chipmunk (Tamias striatus) - ZooChat


Photo by @Giant Eland in the wild, Maine (USA) (subspecies lysteri)

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Eastern chipmunk (Tamias striatus) wild - ZooChat
 
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Urocitellus
Fourteen species, eleven of which are represented in the Zoochat galleries.

Taxonomic note: formerly (and still by various authors) placed under Spermophilus as a subgenus. There may be discrepancies as to which species are placed in which (sub)genera. I have followed the taxonomy of this paper: Generic Revision in the Holarctic Ground Squirrel Genus Spermophilus | Journal of Mammalogy | Oxford Academic


Uinta Ground Squirrel Urocitellus armatus
Monotypic


Photo by @Ituri in the wild, Wyoming (USA)

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Uinta Ground Squirrel | ZooChat


Photo by @Giant Eland in the wild, Utah (USA)

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Uinta ground squirrel (Urocitellus armatus) - ZooChat


North Idaho Ground Squirrel Urocitellus brunneus
Monotypic

Taxonomic note: the South Idaho Ground Squirrel Urocitellus endemicus was formerly treated as a subspecies, and in a larger context both were previously included with the species U. townsendii which has since been split into five separate species (brunneus, canus, endemicus, mollis, townsendii).


Photo by @Giant Eland in the wild, Idaho (USA)

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Idaho Ground Squirrel (Urocitellus brunneus) - ZooChat


Columbian Ground Squirrel Urocitellus columbianus
Two subspecies: columbianus, ruficaudus


Photo by @Giant Eland in the wild, Idaho (USA) (subspecies columbianus)

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Columbian Ground Squirrel (Urocitellus columbianus) - ZooChat


Wyoming or Nevada Ground Squirrel Urocitellus elegans
Three subspecies: aureus, elegans, nevadensis

Taxonomic note: formerly included within the Richardson's Ground Squirrel Urocitellus richardsonii.


Photo by @EternalPigeon in the wild, Colorado (USA) (subspecies elegans)

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Wyoming Ground Squirrel - ZooChat


South Idaho Ground Squirrel Urocitellus endemicus
Monotypic

Taxonomic note: formerly treated as a subspecies of the North Idaho Ground Squirrel Urocitellus brunneus; and in a larger context both were formerly included with the species U. townsendii which has since been split into five separate species.


Photo by @Ituri in the wild, USA

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Southern Idaho Ground Squirrel | ZooChat


Snake River Plain Ground Squirrel Urocitellus idahoensis
Two subspecies: artemesiae, idahoensis

Taxonomic note: split in 2024 from U. mollis - see Integrative species delimitation reveals an Idaho-endemic ground squirrel, Urocitellus idahoensis (Merriam 1913)


Photo by @Ituri in the wild, Idaho (USA) (subspecies idahoensis)

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Piute Ground Squirrel | ZooChat

Photo by @Giant Eland in the wild, Idaho (USA) (subspecies idahoensis)

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Snake River Plain Ground Squirrel (Urocitellus {mollis} idahoensis) - ZooChat


Arctic Ground Squirrel Urocitellus parryii
Ten subspecies: ablusus, kennicottii, kodiacensis, leucostictus, lyratus, nebulicola, osgoodi, parryii, plesius, stejnegeri


Photo by @Pleistohorse in the wild, Alaska (USA) (subspecies kennicottii)

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Arctic Ground Squirrel - Alaska | ZooChat


Photo by @Pleistohorse in the wild, Alaska (USA) (subspecies plesius)

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Arctic Ground Squirrel - Denali National Park - Alaska | ZooChat


Richardson's Ground Squirrel Urocitellus richardsonii
Monotypic

Taxonomic note: the Wyoming Ground Squirrel U. elegans was formerly included within this species. Below I have a lesser-quality photo of a wild animal (therefore definitely a true U. richardsonii) as well as a much better quality photo of a captive animal from a European zoo (of which I don't know the original provenance, and so may not be U. richardsonii as currently recognised).


Photo by @Ituri in the wild, Canada

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Richardson’s Ground Squirrel - ZooChat


Photo by @Maguari at Longleat Safari Park, UK

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Richardson's Ground Squirrel at Longleat August 2008 | ZooChat


Townsend's Ground Squirrel Urocitellus townsendii
Two subspecies: nancyae, townsendii

Taxonomic note: formerly part of a much larger complex which has since been split into five separate species (brunneus, canus, endemicus, mollis, townsendii).


Photo by @Giant Eland in the wild, Washington (USA)(subspecies townsendii)

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Townsend's ground squirrel (Urocitellus townsendii) - ZooChat


Long-tailed Ground Squirrel Urocitellus undulatus
Six subspecies: eversmanni [syn. altaica], jacutensis, menzbieri, stramineus, transbaikalicus, undulatus


Photo by @Kakapo in the wild, Mongolia (subspecies eversmanni I think)

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Spermophilus sp. - wild, Mongolia | ZooChat


Washington Ground Squirrel Urocitellus washingtoni
Monotypic


Photo by @Giant Eland in the wild, Washington (USA)

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Washington ground squirrel (Urocitellus washingtoni) - ZooChat
 
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The remaining three species in the genus Urocitellus are not represented in the Zoochat galleries:


Belding's Ground Squirrel Urocitellus beldingi
Three subspecies: beldingi, creber, oregonus


Merriam's Ground Squirrel Urocitellus canus
Monotypic
Formerly included with the species U. townsendii which has since been split into five separate species (brunneus, canus, endemicus, mollis, townsendii).


Piute or Great Basin Ground Squirrel Urocitellus mollis
Monotypic
Formerly included within the species U. townsendii which has since been split into five separate species (brunneus, canus, endemicus, mollis, townsendii). Two former subspecies of mollis (artemesiae and idahoensis) have been split in 2024 as U. idahoensis.
 
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