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Megalochelys ("great turtle") is an extinct genus of tortoises that lived from the Miocene to Pleistocene.They are noted for their giant size, the largest known for any tortoise, with a maximum carapace length of over 2 m (6.5 ft) in M. atlas.
Male tortoises compete with each other by extending their necks, gaping, biting and shell-bumping. They produce loud guttural noises while mating. Females lay clutches of usually 6–11 (occasionally up to 17) eggs. Juvenile tortoises tend to remain in the warmer, lowland, part of the subspecies' range for the first 10–15 years of their lives ...
Aldabrachelys [1] is genus of giant tortoises, including the Aldabra giant tortoise (Aldabrachelys gigantea) native to the Seychelles, as well as two extinct species, Aldabrachelys abrupta and Aldabrachelys grandidieri known from Madagascar.
It was originally one of the six endemic tortoise species of Madagascar (two large Aldabrachelys; three medium Astrochelys; two small Pyxis). [3] It was sympatric with the other giant tortoise species of Madagascar, Grandidier's giant tortoise ( Aldabrachelys grandidieri (also extinct)), and both species occupied both the coasts and the cooler ...
Arnold's giant tortoise (Aldabrachelys gigantea arnoldi), also known as the Seychelles saddle-backed giant tortoise, is a tortoise subspecies in the genus Aldabrachelys.. It inhabited the large central granitic Seychelles islands, but was hunted in vast numbers by European sailors.
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.
Chelonoidis alburyorum is an extinct species of giant tortoise that lived in the Lucayan Archipelago (including The Bahamas and Turks and Caicos Islands) from the Late Pleistocene to around 1400 CE. [1] The species was discovered and described by Richard Franz and Shelley E. Franz, the findings being published in 2009. [2]
Aldabrachelys grandidieri was a giant tortoise, one of the largest in the world, measuring about 125 cm (49 in) in carapace length. It was originally one of the six endemic tortoise species of Madagascar (two large Aldabrachelys ; two medium Astrochelys ; two small Pyxis ).