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Galapagos giant tortoises make a comeback, thanks to innovative conservation strategies

The Galapagos Islands are world-famous as a laboratory of biological evolution. Some 30 percent of the plants, 80 percent of the land birds and 97 percent of the reptiles on this remote archipelago are found nowhere else on Earth. Perhaps the most striking example is the islands’ iconic giant tortoises, which often live to ages over 100 years in the wild. Multiple species of these mega-herbivores have evolved in response to conditions on the island or volcano where each lives, generating wide variation in shell shape and size. read more

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