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Bridges's degu

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Species of rodent

Bridges's degu
Conservation status

Vulnerable  (IUCN 3.1)(includes ricardojedai)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Rodentia
Family: Octodontidae
Genus: Octodon
Species: O. bridgesii
Binomial name
Octodon bridgesii
Waterhouse, 1845

Bridges's degu (Octodon bridgesii) is a species of rodent in the family Octodontidae. It is found in southern Chile. The species was named after Thomas Bridges.

Taxonomy

Ricardo Ojeda's degu (O. ricardojedai), which is found in Argentina and Chile, was formerly considered a population of O. bridgesii, but was described as a distinct species in 2020.

Biology and physiology

Unlike its close relative, the common degu, Bridges' degu is nocturnal.

Bridges's degu has deep molar indentations and has a deep fold on the inside of the last molar.

Habitat

The species is less widely distributed in Chile than the common degu and inhabits rocky, forested areas and some open farmland, although it is far less well adapted for digging but does have some climbing ability. Deforestation may be contributing to the decline of this species.

References

  1. Roach, N. (2017) . "Octodon bridgesi". IUCN Red List of Threatened Species. 2016: e.T15087A115124772. doi:10.2305/IUCN.UK.2016-3.RLTS.T15087A78321197.en.
  2. 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. 1571–1572. ISBN 978-0-8018-8221-0. OCLC 62265494.
  3. ^ Saavedra, B.; Simonetti, J. (2003), "Holocene distribution of Octodontid rodents in central Chile", Revista Chilena de Historia Natural, 76 (3): 383–389, doi:10.4067/s0716-078x2003000300004
  4. Palma, R.E. (2007), "Estado actual de la mastozoologia en Chile", Mastozoologia Neotropical, 14: 5–9
  5. D’Elía, Guillermo; Teta, Pablo; Verzi, Diego H; Cadenillas, Richard; Patton, James L (2020-12-10). "A new living species of degu, genus Octodon (Hystricomorpha: Octodontidae)". Journal of Mammalogy. 102 (1): 139–154. doi:10.1093/jmammal/gyaa143. ISSN 0022-2372.
  6. ^ Ocampo-Garcés, A.; Mena, W.; Hernández, F.; Cortés, N.; Palacios, A.G. (2006), "Circadian chronotypes among wild-captured west Andean octodontids", Biol. Res., 39 (2): 209–220, doi:10.4067/s0716-97602006000200003, PMID 16874396
  7. ^ Woods, C.; Boraker, D. (1975), "Octodon degus", Mammalian Species (67): 1–5, doi:10.2307/3503820, JSTOR 3503820
  8. Gallardo-Santis, A.; Simonetti, J.A.; Vásquez, R.A. (2005), "Influences of tree diameter on climbing ability of small mammals", Journal of Mammalogy, 86 (5): 969–973, doi:10.1644/1545-1542(2005)86[969:iotdoc]2.0.co;2
Extant species of family Octodontidae
Aconaemys
Octodon
Octodontomys
Octomys
Pipanacoctomys
Spalacopus
Tympanoctomys
Category
Taxon identifiers
Octodon bridgesi
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