An Astounding Countdown of the 18 Creatures Blessed with the Longest Lives on Earth

The Tuatara

The Tuatara, a reptile native to New Zealand, takes the 13th spot. These ancient creatures, which have been around for over 200 million years, can live for more than 100 years. Their longevity is attributed to their slow metabolic rate and the fact that they continue to grow throughout their entire life.