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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. [2]
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.
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 Cenozoic Titanochelon were also larger than extant giant tortoises, with a shell length of up to 2 m (6 ft 7 in). [298] [299] Other giant tortoises include Centrochelys marocana at 1.8–2 m (5.9–6.6 ft) in carapace length and Mesoamerican Hesperotestudo sp. at 1.5 m (4.9 ft) in carapace length. [297]
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 African spurred tortoise (Centrochelys sulcata) is the third-largest extant tortoise (and the largest mainland tortoise) in the world. The large adults of this species may reach 1 m (3.3 ft) in length and weigh more than 100 kg (220 lb). [ 105 ]
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.
One species of Megalochelys, M. atlas, is the largest known tortoise, with shells of 2 m (6 ft 7 in) in length having been reported. [2] Popular weight estimates for this taxon have varied greatly with the highest estimates reaching up to 4,000 kg (8,800 lb) in some instances. [3]