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Life expectancy in the wild is thought to be over 100 years, [111] [112] making it one of the longest-lived species in the animal kingdom. Harriet, a specimen kept in Australia Zoo, was the oldest known Galápagos tortoise, having reached an estimated age of more than 170 years before her death in 2006. [113]
The tortoises grow faster when there is more rainfall and slower when there is less. [6] They reach sexual maturity after 10 to 15 years. In captivity their life span is around 54 years. In the wild their lifespan is unknown but is believed to exceed 75 years. [10] [6] The tortoise has no known predators when they are hatchlings or adults. [6]
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 typical life expectancy for a giant tortoise is 150 years old. Jonathan has long surpassed that. However, he’s not the oldest known giant tortoise that ever lived.
2 Life expectancy. 3 List of insular ... Giant tortoises are any of several species of various large land tortoises, ... Toggle the table of contents. Giant tortoise.
Tu'i Malila, a radiated tortoise, died at the age of 188 in May 1966, at the time the oldest verified vertebrate. [116] This tortoise was hatched in 1777. Harriet, a Galápagos tortoise, died at the age of 175 in June 2006. [117] Timothy, a Greek tortoise, born in Turkey died at the age of 165 on 3 April 2004 in the UK. [118]
The Seychelles giant tortoise ... Adwaita is reputed to have reached the longest ever measured life span of 255 years ... Toggle the table of contents.
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]