Biology:Volcán Wolf giant tortoise

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Short description: Subspecies of tortoise

Volcán Wolf giant tortoise
Chelonoidis nigra becki.jpg
Adult Volcán Wolf giant tortoise
CITES Appendix I (CITES)[2]
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Testudines
Suborder: Cryptodira
Superfamily: Testudinoidea
Family: Testudinidae
Genus: Chelonoidis
Species:
C. niger
Subspecies:
C. n. becki
Trinomial name
Chelonoidis niger becki
(Rothschild, 1901)
Synonyms[3]
  • Testudo becki
    Rothschild, 1901
  • Geochelone elephantopus becki
    — Pritchard, 1967
  • Geochelone nigra becki
    — Iverson, 1992
  • Chelonoidis nigra becki
    — David, 1994
  • Geochelone becki
    — Cisneros-Heredia, 2006
  • Chelonoidis becki
    — Rhodin, van Dijk, Iverson & Shaffer, 2010

The Volcán Wolf giant tortoise (Chelonoidis niger becki), also known commonly as the Wolf Volcano giant tortoise[1] and the Cape Berkeley giant tortoise, is a subspecies of Galápagos tortoise in the family Testudinidae. The subspecies is native to the north side of Ecuador's Isabela Island (formerly Albemarle Island). Chelonoidis becki has links to two different lineages including that of Chelonoidis darwini from the nearby island of Santiago.[4] C. becki has been found to be the product of a double colonization event beginning around 199,000 years ago, and had been formed through introgression, where greater male selectivity was exhibited by purebred females in one of the lineages.[5] It is most commonly found on the northern, western, and southwestern slopes of Volcán Wolf,[6] the volcano that it is named for. Having evolved to live in a specific environment, C. becki only occupies an estimated range of about 263 square kilometers.[1] An estimated 1,150 Volcán Wolf giant tortoises inhabit Volcán Wolf.[7]

Etymology

The specific name, becki, is in honor of American ornithologist Rollo Howard Beck.[8]

Habitat

The preferred natural habitats of C. becki are forest and shrubland.[1]

Diet

C. becki has a vegetarian diet.[1]

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 Caccone, A.; Cayot, L.J.; Gibbs, J.P.; Tapia, W. (2017). "Chelonoidis becki". IUCN Red List of Threatened Species 2017: e.T9018A82426296. doi:10.2305/IUCN.UK.2017-3.RLTS.T9018A82426296.en. https://www.iucnredlist.org/species/9018/82426296. Retrieved 13 November 2021. 
  2. ↑ "Appendices | CITES". https://cites.org/eng/app/appendices.php. 
  3. ↑ Species Chelonoidis becki at The Reptile Database www.reptile-database.org.
  4. ↑ Emerson, Brent C.; Faria, Christiana M. A. (2014). "Fission and fusion in island taxa – serendipity, or something to be expected?". Molecular Ecology 23 (21): 5132–5134. doi:10.1111/mec.12951. PMID 25330853. https://doi.org/10.1111/mec.12951. Retrieved 2021-03-25. 
  5. ↑ Garrick, Ryan C.; Benavides, Edgar; Russello, Michael A.; Hyseni, Chaz; Edwards, Danielle L.; Gibbs, James P.; Tapia, Washington; Ciofi, Claudio et al. (2014). "Lineage fusion in Galápagos giant tortoises". Molecular Ecology 23 (21): 5276–5290. doi:10.1111/mec.12919. PMID 25223395. https://doi.org/10.1111/mec.12919. Retrieved 2021-03-25. 
  6. ↑ "Galapagos Giant Tortoises". https://people.rit.edu/rhrsbi/GalapagosPages/Tortoise.html. 
  7. ↑ "See Shells: The 10 Remaining Galápagos Tortoise Subspecies - WebEcoist" (in en-US). WebEcoist. 2012-06-26. http://www.momtastic.com/webecoist/2012/06/26/see-shells-the-10-remaining-galapagos-tortoise-subspecies/. 
  8. ↑ Beolens B, Watkins M, Grayson M (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN:978-1-4214-0135-5. (Chelonoidis nigra becki, p. 21).

Further reading

  • Rothschild W (1901). "On a New Land-Tortoise from the Galapagos Islands". Novitates Zoologicae 8: 372. (Testudo becki, new subspecies).

Wikidata ☰ Q2962219 entry




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