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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 ...
However, no confirmed live tortoises, or even remains, were found on Fernandina until the discovery of an elderly female in February 2019. [44] The tortoise has been transferred to a breeding center for the purpose of conservation and genetic tests. [45] [46] Only one confirmed individual, but others may still exist. Fernandina (Narborough) Island
The now-extinct West Indian radiation is thought to group with the Chaco and Galapagos tortoises but is significantly basal to both, and was a rather evolutionary distinct lineage, having diverged well before any of the modern species in the genus did and only 7 mya after the divergence of Chelonoidis from African tortoises. [6]
The Galapagos Conservancy has reportedly launched further expeditions to Fernandina Island searching for a male tortoise, rebuffing Galante’s attempts to collaborate again. [ 21 ] On May 25, 2021, officials announced that genetic tests had confirmed that the female tortoise found in 2019 is indeed a member of the Chelonoidis niger ...
Chelonoidis niger vandenburghi, also known as the Volcán Alcedo giant tortoise, the Alcedo Volcano giant tortoise or the Alcedo giant tortoise, is a subspecies of Galápagos tortoise endemic to the Galápagos archipelago in the equatorial eastern Pacific Ocean. The specific epithet vandenburghi honours American herpetologist John Van Denburgh. [3]
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.
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 ...
Map of the Galápagos Islands showing locations of different tortoise species In 2015, the small, eastern Cerro Fatal population of the island was described as a distinct subspecies, C. n. donfaustoi , most closely related to chathamensis (and forming a clade with it plus abingdoni and hoodensis ), while the main southwestern porteri population ...