Saltwater crocodiles can grow to more than six meters in length and weigh over a metric ton, making them among the largest and heaviest living reptiles in the world. Credit: Shutterstock For more than 250 years, stories from early explorers described crocodiles as a common sight along the shores of the Seychelles. But after permanent settlers arrived in 1770, the island population disappeared rapidly. Within about 50 years, the crocodiles had been completely exterminated. Now, scientists have

Tag-uri: DNA