The Tuatara

It is a reptile but not a lizard.
It is the last remaining member of the ancient group of reptiles, Sphenodontia.
Tuatara is a Maori word meaning "peaks on the back". It is easy to see why.
The tuatara is famous because it is a very ancient – it is the only survivor of a large group of reptiles that roamed the earth at the same time as dinosaurs. It hasn't changed its form much in over 225 million years! The relatives of tuatara died out about 60 million years ago which is why the tuatara is sometimes called a ‘living fossil’ - cool.

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