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Along with the mata mata turtle and reptile known as the tuatara, among the other animals studied were caecilians, a slithery type of amphibian with an outward appearance akin to snakes.

She recalls hearing about tuatara vocalizations from her mother and others who were familiar with those animals.

Mr Jorgewich-Cohen also recorded tuataras making sounds to guard their territory.

The aging rates for lizards and snakes were scattered but were remarkably low in certain crocodiles, salamanders and the enigmatic tuatara.

The study examined 10,196 reptile species including turtles, crocodilians, lizards, snakes and the tuatara, the only surviving member of a lineage dating back more than 200 million years.