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The other four species are Hermann's tortoise (T. hermanni), the Egyptian tortoise (T. kleinmanni), the marginated tortoise (T. marginata), and the Russian tortoise (A. horsfieldii). The Greek tortoise is a very long-lived animal, achieving a lifespan upwards of 125 years, with some unverified reports up to 200 years. [4]
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 2025, making him the oldest known living land animal.
Some tortoises show negligible senescence. Negligible senescence is a term coined by biogerontologist Caleb Finch to denote organisms that do not exhibit evidence of biological aging ( senescence ), such as measurable reductions in their reproductive capability, measurable functional decline, or rising death rates with age. [ 1 ]
The Duke of Edinburgh has encountered the world’s oldest living land animal – Jonathan the 191-year-old giant tortoise. ... with Charles III the eighth monarch of his lifespan so far.
Tortoises can vary in size with some species, such as the Galápagos giant tortoise, growing to more than 1.2 metres (3.9 ft) in length, whereas others like the Speckled cape tortoise have shells that measure only 6.8 centimetres (2.7 in) long. [2]
The world’s oldest tortoise has lived through two world wars, witnessed the rise and fall of the British Empire, and has just turned 190 years old.
In early 2015, after extensive monitoring, partners confirmed that Pinzón and Plaza Sur Islands are now both rodent-free. [77] Española Island. On the southern island of Española, only 14 adult tortoises were found, two males and 12 females. The tortoises apparently were not encountering one another, so no reproduction was occurring.
A to Z Animals shares, "According to scientific studies, the typical lifespan of a pet tortoise is between 50 and 100 years. However, several studies have revealed that wild tortoises can live up ...