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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.
As of 2022, Jonathan, a Seychelles giant tortoise, is thought to be the oldest living giant tortoise at the age of 192 years. [25] Esmeralda, an Aldabra giant tortoise, is second at the age of 180 years, since the death of Harriet, a Galapagos giant tortoise, at 175. An Aldabra giant tortoise living on Changuu off Zanzibar is reportedly 198 ...
Underside of carapace. 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).
Scientists have reported that a rare species of giant tortoise thought to have died out more than a century ago is not in fact extinct. Genetic research has shown that a female specimen discovered ...
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.
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.
Jonathan (hatched c. 1832) [2] [3] is a Seychelles giant tortoise (Aldabrachelys gigantea hololissa), a subspecies of the Aldabra giant tortoise (Aldabrachelys gigantea).His approximate age is estimated to be 192 as of 2024, making him the oldest known living land animal.
A captive breeding effort for the critically endangered Hood Island tortoises was set up in 1976, by which time only 15 individuals were known to survive. Diego was identified as a Hood Island tortoise by DNA testing and was sent to Santa Cruz Island to join the program. Diego fathered more than 900 offspring who were released on Española ...