Diego the Tortoise Fathers 800 Offspring, Helps Save Species

It’s a tough job, but someone has to do it.

Diego, a 100 year-old Galapagos giant tortoise that was one of the last of his species, has played an outsize role helping the population rebound. A recent genetic analysis of the giant tortoise population on an island in the Galapagos concluded that some 40 percent of the tortoises living there are descended from Diego. Since the 1970s, the 100-year-old stud has fathered some 800 offspring. Of course, half the credit belongs to the six females

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