An extinct Galapagos tortoise species could walk again, scientists believe.
Writing in Proceedings of the National Academy of Sciences, researchers report finding relatives of Geochelone elephantopus alive and well.
Cross-breeding these living tortoises might re-create the extinct species - though it could take a century.
The distribution of related tortoises between the islands was one of the pieces of evidence Charles Darwin used in formulating his theory of evolution. BBC NEWS