Mendoza tuco-tuco
Species of rodent
| Mendoza tuco-tuco | |
|---|---|
Conservation status | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Rodentia |
| Family: | Ctenomyidae |
| Genus: | Ctenomys |
| Species: | C. mendocinus |
| Binomial name | |
| Ctenomys mendocinus Philippi, 1869 | |
| Synonyms | |
| Ctenomys azarae Thomas, 1903 Ctenomys porteousi Thomas, 1916 | |
The Mendoza tuco-tuco (Ctenomys mendocinus) is a species of rodent in the family Ctenomyidae.[2]
Taxonomy
A 2021 phylogenetic study found that Azara's tuco-tuco (C. azarae) and Porteous's tuco-tuco (C. porteousi), which were both previously considered distinct species in Ctenomys, are synonymous with C. mendocinus. The American Society of Mammalogists has followed this study's results.[3][4] The former species was named after Spanish naturalist Félix de Azara, while the latter species was named after Lieutenant Colonel John James Porteous (1857–1948) and his nephew Don Cecil John Montague Porteous (1884– 1953), who owned land in Argentina.[5]
Description
Ctenomys mendocinus ranges from 230 to 280 mm in body length, and tail length of 70–91 mm. Body mass ranges anywhere between 100 and 250 g, with males typically larger than females. They have a stocky, robust body shape with short limbs and ears. Pelage is predominantly light-brown with subtle black and white coloration on its dorsal side, and a lightly colored tail. Forelimbs have long claws, necessary for burrowing.[6]
Distribution
The species is endemic to the northern and central regions of the Mendoza province in Argentina, at a range of elevation from 460 to 3600 m.[6]
Behavior
Members of this species engage in solitary burrowing behavior. Their foreleg claws are their primary method of digging tunnels through the ground, although the incisors may be used occasionally.[6] They generally do not arise above the surface during the day time; however, they have a preference for above ground plant material and will surface to forage for food.[7]
Newborns are highly altricial: after a 3-month gestation period, pups are born half-naked and blind, weaning 56 days after birth and becoming independent after 80 days.[8]
Diet
The Mendoza tuco-tuco is an herbivore that feeds preferentially on grasses. Populations in the Andean Precordilla region of Mendoza display high selectivity for grasses and avoidance of shrubs with a preference for above ground plant material, despite a fossorial lifestyle and harsh environmental conditions that lower food availability.[7]
References
- ^ Bidau, C.; Lessa, E. & Ojeda, R. (2008). "Ctenomys mendocinus". IUCN Red List of Threatened Species. 2008. Retrieved 5 January 2009.{{cite iucn}}: old-form url (help)
- ^ Woods, C.A.; Kilpatrick, C.W. (2005). "Infraorder Hystricognathi". In Wilson, D.E.; Reeder, D.M (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. pp. 1538–1600. ISBN 978-0-8018-8221-0. OCLC 62265494.
- ^ D’Elía, Guillermo; Teta, Pablo; Lessa, Enrique P. (2021), Freitas, Thales Renato Ochotorena de; Gonçalves, Gislene Lopes; Maestri, Renan (eds.), "A Short Overview of the Systematics of Ctenomys: Species Limits and Phylogenetic Relationships", Tuco-Tucos: An Evolutionary Approach to the Diversity of a Neotropical Subterranean Rodent, Cham: Springer International Publishing, pp. 17–41, doi:10.1007/978-3-030-61679-3_2, ISBN 978-3-030-61679-3, S2CID 234261891, retrieved 2021-09-12
- ^ Mammal Diversity Database (2021-04-11), Mammal Diversity Database, retrieved 2021-09-12
- ^ Beolens, Bo; Watkins, Michael; Grayson, Michael (2009-09-28). The Eponym Dictionary of Mammals. Baltimore: The Johns Hopkins University Press. p. 326. ISBN 978-0-8018-9304-9. OCLC 270129903.
- ^ a b c Rosi, M.I.; Cona, M.I.; Roig, V.G.; Massarini, A.I. & Verzi, D.H. (2005). "Ctenomys mendocinus". Mammalian Species. 777: 1–6. doi:10.1644/777.1. S2CID 198122679.
- ^ a b Rosi, M.I.; Cona, M.I.; Videla, F.; Puig, S.; Monge, S.A. & Roig, V.G. (2003). "Diet Selection by the Fossorial Rodent Ctenomys mendocinus Inhabiting an Environment with Low Food Availability (Mendoza, Argentina)". Studies on Neotropical Fauna and Environment. 38 (3): 159–166. doi:10.1076/snfe.38.3.159.28168. S2CID 85746359.
- ^ Camin, Sergio (2010). "Gestation, maternal behaviour, growth and development in the subterranean caviomorph rodent Ctenomys mendocinus (Rodentia, Hysticognathi, Ctenomyidae)". Animal Biology. 60: 79–95. doi:10.1163/157075610x12610595764255. hdl:11336/75365.
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Extant species of family Ctenomyidae
- Kingdom: Animalia
- Phylum: Chordata
- Class: Mammalia
- Order: Rodentia
- Suborder: Hystricomorpha
- Infraorder: Hystricognathi
- Parvorder: Caviomorpha
(tuco-tucos)
- Anderson's cujuchi (Ctenomys andersoni)
- Argentine tuco-tuco (Ctenomys argentinus)
- Southern tuco-tuco (Ctenomys australis)
- Azara's tuco-tuco (Ctenomys azarae)
- Berg's tuco-tuco (Ctenomys bergi)
- Bidau's tuco-tuco (Ctenomys bidaui)
- Bolivian tuco-tuco (Ctenomys boliviensis)
- Bonetto's tuco-tuco (Ctenomys bonettoi)
- Brazilian tuco-tuco (Ctenomys brasiliensis)
- Budin's tuco-tuco (Ctenomys budini)
- Colburn's tuco-tuco (Ctenomys colburni)
- Puntilla tuco-tuco (Ctenomys coludo)
- Conover's tuco-tuco (Ctenomys conoveri)
- Contreras's tuco-tuco (Ctenomys contrerasi)
- Coyhaique tuco-tuco (Ctenomys coyhaiquensis)
- D'Orbigny's tuco-tuco (Ctenomys dorbignyi)
- Chacoan tuco-tuco (Ctenomys dorsalis)
- Emily's tuco-tuco (Ctenomys emilianus)
- Erika's tuco-tuco (Ctenomys erikacuellarae)
- Famatina tuco-tuco (Ctenomys famosus)
- Flamarion's tuco-tuco (Ctenomys flamarioni)
- Foch's tuco-tuco (Ctenomys fochi)
- Lago Blanco tuco-tuco (Ctenomys fodax)
- Reddish tuco-tuco (Ctenomys frater)
- Tawny tuco-tuco (Ctenomys fulvus)
- Goodfellow's tuco-tuco (Ctenomys goodfellowi)
- Haig's tuco-tuco (Ctenomys haigi)
- Ibicui tuco-tuco (Ctenomys ibicuiensis)
- San Juan tuco-tuco (Ctenomys johannis)
- Jujuy tuco-tuco (Ctenomys juris)
- Catamarca tuco-tuco (Ctenomys knighti)
- Lami tuco-tuco (Ctenomys lami)
- Mottled tuco-tuco (Ctenomys latro)
- Lessa's tuco-tuco (Ctenomys lessai)
- White-toothed tuco-tuco (Ctenomys leucodon)
- Lewis's tuco-tuco (Ctenomys lewisi)
- Magellanic tuco-tuco (Ctenomys magellanicus)
- Maule tuco-tuco (Ctenomys maulinus)
- Mendoza tuco-tuco (Ctenomys mendocinus)
- Tiny tuco-tuco (Ctenomys minutus)
- Natterer's tuco-tuco (Ctenomys nattereri)
- Furtive tuco-tuco (Ctenomys occultus)
- Highland tuco-tuco (Ctenomys opimus)
- Reig's tuco-tuco (Ctenomys osvaldoreigi)
- Pearson's tuco-tuco (Ctenomys pearsoni)
- Goya tuco-tuco (Ctenomys perrensi)
- Peruvian tuco-tuco (Ctenomys peruanus)
- Pilar tuco-tuco (Ctenomys pilarensis)
- San Luis tuco-tuco (Ctenomys pontifex)
- Porteous's tuco-tuco (Ctenomys porteousi)
- Pundt's tuco-tuco (Ctenomys pundti)
- Rio Negro tuco-tuco (Ctenomys rionegrensis)
- Roig's tuco-tuco (Ctenomys roigi)
- Salta tuco-tuco (Ctenomys saltarius)
- Scaglia's tuco-tuco (Ctenomys scagliai)
- Silky tuco-tuco (Ctenomys sericeus)
- Social tuco-tuco (Ctenomys sociabilis)
- Steinbach's tuco-tuco (Ctenomys steinbachi)
- Forest tuco-tuco (Ctenomys sylvanus)
- Talas tuco-tuco (Ctenomys talarum)
- Thales's tuco-tuco (Ctenomys thalesi)
- Collared tuco-tuco (Ctenomys torquatus)
- Robust tuco-tuco (Ctenomys tuconax)
- Tucuman tuco-tuco (Ctenomys tucumanus)
- Sierra Tontal tuco-tuco (Ctenomys tulduco)
- Strong tuco-tuco (Ctenomys validus)
- Vipos tuco-tuco (Ctenomys viperinus)
- Yates's tuco-tuco (Ctenomys yatesi)
- Yolanda's tuco-tuco (Ctenomys yolandae)
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