More than half of the plants eaten by the giant tortoises on one of the Galapagos Islands are non-native.
Population deemed secure after large creatures rebound from just 15 to more than 1,000 on Espanola.
Touch-screen technology has ventured into the world of reptiles.
Check out these five animals that smash longevity records.
A non-native species of tortoise is proving a good substitute for extinct native seed dispersers in Mauritius.