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Recent research indicates that the variation is caused by hybridization of native Isabela tortoises with about 40 descendants of tortoises from Floreana, a population thought to be extinct since the 1850s. [18] C. n. chathamensis (from Chatham Island) Chatham Island tortoise. Conservation status Endangered [19] Van Denburgh 1907 [20]
Tortoises are the longest-living land animals in the world, although the longest-living species of tortoise is a matter of debate. Galápagos tortoises are noted to live over 150 years, but an Aldabra giant tortoise named Adwaita may have lived an estimated 255 years. In general, most tortoise species can live 80–150 years.
An Aldabra giant tortoise, an example of a giant tortoise.. Giant tortoises are any of several species of various large land tortoises, which include a number of extinct species, [1] as well as two extant species with multiple subspecies formerly common on the islands of the western Indian Ocean and on the Galápagos Islands.
The Galápagos tortoise or Galápagos giant tortoise (Chelonoidis niger) is a very large species of tortoise in the genus Chelonoidis (which also contains three smaller species from mainland South America). The species comprises 15 subspecies (13 extant and 2 extinct). It is the largest living species of tortoise, and can weigh up to 417 kg ...
The African spurred tortoise (Centrochelys sulcata), also called the sulcata tortoise, is an endangered species of tortoise inhabiting the southern edge of the Sahara Desert, the Sahel, in Africa. It is the largest mainland species of tortoise in Africa, and the third-largest in the world, after the Galapagos tortoise and Aldabra giant tortoise.
African spurred tortoise or Sulcata tortoise: Centrochelys sulcata: southern edge of the Sahara Desert: Third largest species of tortoise in the world; the largest non-island species. [1] African helmeted turtle Marsh terrapin: Pelomedusa subrufa: Very wide range Aldabra giant tortoise: Aldabrachelys gigantea: Seychelles Angonoka tortoise ...
The Aldabra giant tortoise (Aldabrachelys gigantea) is a species of tortoise in the family Testudinidae and genus Aldabrachelys. The species is endemic to the Seychelles , with the nominate subspecies , A. g. gigantea native to Aldabra atoll.
[1] 56% of all evaluated reptile species are listed as least concern. The IUCN also lists two reptile subspecies as least concern. Of the subpopulations of reptiles evaluated by the IUCN, six species subpopulations have been assessed as least concern. This is a complete list of least concern reptile species and subspecies evaluated by the IUCN.