Search results
Results from the WOW.Com Content Network
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.
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.
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).
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 ...
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.
They estimated that the population of C. n. abingdonii had been declining for the past one million years and identified lineage-specific variants affecting DNA repair genes, proteostasis, metabolism regulation and immune response as key processes during the evolution of giant tortoises via effects on longevity and resistance to infection. [33]
Chelonoidis niger phantasticus (commonly known as the Fernandina Island Galápagos tortoise or Narborough Island giant tortoise) is a subspecies of Galápagos tortoise that was discovered in 1906 and thought extinct, until a single female was discovered living on Fernandina Island by an expedition in February 2019.
Diego in 2019 Detail of head, 2009. Diego is a Hood Island giant tortoise.Thought to have been hatched on Española Island, Galápagos, he was captured as a young adult and shipped to the United States where he was exhibited at zoos.