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close to crevice entrances to help protect against predators. Individuals occupy large home ranges of around 12,300 square metres (3.0 acres), often overlapping with those of their neighbours. They are herbivorous, feeding on the leaves and seeds of shrubland vegetation. During the dry season, their
279:
The mountain viscacha rat is a rat-like animal with a head-body length of about 11 to 18 centimetres (4.3 to 7.1 in) and weighing from 85 to 121 grams (3.0 to 4.3 oz). The feet are relatively long, while the tail measures 12 to 16 centimetres (4.7 to 6.3 in). It has light brown fur
695:
Gallardo, M.H.; Kausel, G.; Jiménez, A.; Bacquet, C.; González, C.; Figueroa, J.; Köhler, N.; Ojeda, R. (2004), "Whole-genome duplications in South
American desert rodents (Octodontidae)",
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teeth. The exact function of the whiskers is unclear, but they may enable the animal to sense the position of food inside the mouth.
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and solitary, spending the day sheltering in rock crevices. Although it does not construct burrows, it may place pieces of
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Svartman, Marta; Stone, Gary; Stanyon, Roscoe (2005). "Molecular cytogenetics discards polyploidy in mammals".
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327:. They inhabit rocky desert and semidesert environments up to 800 metres (2,600 ft) above sea level.
257:
1137:
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Ebensperger, L.A.; et al. (2008). "Activity, range areas, and nesting patterns in the viscacha rat,
267:. However, some genetic studies have rejected any polyploidism in mammals as unlikely, and suggests that
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Two new genera and species of halophytic desert mammals from isolated salt flats in
Argentina
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358:. During the wet season, they eat more seeds and fruit, including those from plants such as
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amplification and dispersion of repetitive sequences best explain the large genome size
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Mammal
Species of the World: A Taxonomic and Geographic Reference
731:. Occasional Papers, Museum of Texas Tech University 203:i+1-27.
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Mares, M. A.; Braun, J. K.; Barquez, R. M.; Díaz, M. M. 2000.
450:(3rd ed.). Johns Hopkins University Press. p. 1572.
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Unusual features of the viscacha rat include greatly enlarged
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genus (2n = 56) may be ancestral to the two unusual suspected
23:
for a list of other viscacha rats now considered distinct.
19:
This species was historically called viscacha rat. See
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605:Berman, S.L. (2003). "A desert octodontid rodent,
241:It is the only living species within the genus
415:10.2305/IUCN.UK.2016-2.RLTS.T15093A78321632.en
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280:with white underparts and a bushy tail.
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344:diet consists largely of the leaves of
436:Woods, C.A.; Kilpatrick, C.W. (2005).
7:
291:on the roof of the mouth behind the
1317:IUCN Red List least concern species
401:IUCN Red List of Threatened Species
311:, specifically in the provinces of
14:
1043:Tympanoctomys loschalchalerosorum
488:Sobrero, R.; et al. (2010).
734:
710:10.1111/j.1095-8312.2004.00331.x
71:
287:, and the presence of numerous
678:10.1016/j.jaridenv.2008.02.003
531:(Rodentia, Octodontidae)]"
1:
1342:Taxa named by Oldfield Thomas
658:Journal of Arid Environments
1034:(Tympanoctomys kirchnerorum
584:10.1016/j.ygeno.2004.12.004
548:10.1016/j.ygeno.2006.02.010
438:"Infraorder Hystricognathi"
335:Mountain viscacha rats are
1363:
1041:Chalchalero viscacha rat (
18:
1337:Mammals described in 1920
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787:
779:Extant species of family
494:(Rodentia: Octodontidae)"
180:
173:
68:Scientific classification
66:
44:
35:
30:
1032:Kirchner's viscacha rat
1026:(Tympanoctomys barrerae)
933:(Octodontomys gliroides)
299:Distribution and habitat
525:Gallardo, M.H. (2006).
350:trees, supplemented by
307:region of northwestern
954:Mountain viscacha rat
607:Tympanoctomys barrerae
529:Tympanoctomys barrerae
444:; Reeder, D.M (eds.).
258:Tympanoctomys barrerae
31:Mountain viscacha rat
979:Pipanacoctomys aureus
977:Golden viscacha rat (
910:(Octodon ricardojeda)
908:Ricardo Ojeda's degu
611:Journal of Morphology
408:: e.T15093A78321632.
264:Pipanacoctomys aureus
206:mountain vizcacha rat
202:mountain viscacha rat
1332:Mammals of Argentina
1024:Plains viscacha rat
1003:(Spalacopus cyanus)
902:(Octodon pacificus)
847:(Aconaemys porteri)
670:2008JArEn..72.1174E
38:Conservation status
892:Moon-toothed degu
878:(Octodon bridgesi)
845:Porter's rock rat
839:(Aconaemys fuscus)
623:10.1002/jmor.10115
390:Roach, N. (2016).
222:, is a species of
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1303:
1289:Open Tree of Life
1073:Taxon identifiers
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894:(Octodon lunatus)
855:(Aconaemys sagei)
837:Chilean rock rat
498:Mammalian Species
457:978-0-8018-8221-0
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175:Binomial name
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305:Monte Desert
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135:Octodontidae
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21:Viscacha rat
1185:iNaturalist
1105:Wikispecies
421:11 November
356:alkaliweeds
352:caperbushes
275:Description
1347:High Monte
1311:Categories
992:Spalacopus
815:Suborder:
372:References
253:tetraploid
828:Aconaemys
791:Kingdom:
337:nocturnal
331:Behaviour
313:Catamarca
309:Argentina
236:Argentina
160:Species:
91:Kingdom:
85:Eukaryota
1255:13400379
1203:10226693
1090:Wikidata
1057:Category
811:Rodentia
805:Mammalia
799:Chordata
797:Phylum:
793:Animalia
639:25765293
631:12740896
592:15780745
572:Genomics
557:16580173
535:Genomics
466:62265494
368:shrubs.
366:boxthorn
361:Maytenus
347:Prosopis
325:San Juan
321:San Luis
317:La Rioja
289:whiskers
255:species
230:. It is
131:Family:
125:Rodentia
115:Mammalia
105:Chordata
101:Phylum:
95:Animalia
81:Domain:
58:IUCN 3.1
1242:1001498
1177:5219901
1096:Q631698
1001:Coruro
945:Octomys
867:Octodon
809:Order:
803:Class:
666:Bibcode
293:incisor
249:diploid
247:. This
244:Octomys
232:endemic
146:Octomys
141:Genus:
121:Order:
111:Class:
56: (
1294:940752
1268:135583
1216:584784
1164:326375
1138:267784
637:
629:
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341:cactus
224:rodent
193:, 1920
191:Thomas
154:, 1920
152:Thomas
1281:86069
1229:15093
1198:IRMNG
1190:45915
1151:48K7W
635:S2CID
440:. In
1263:NCBI
1224:IUCN
1211:ITIS
1172:GBIF
1133:BOLD
627:PMID
588:PMID
553:PMID
462:OCLC
452:ISBN
423:2021
406:2016
364:and
354:and
261:and
200:The
1250:MSW
1237:MDD
1159:EoL
1146:CoL
1120:ADW
715:hdl
705:doi
674:doi
656:".
619:doi
615:257
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234:to
218:or
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208:(
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
