Prolific Galapagos giant tortoise ... to reproduce. Diego was brought in from California's San Diego Zoo to join the breeding program which was set up in the mid-1960s to save his species ...

A giant tortoise whose legendary libido has ... Around 50 years ago, there were only two males and 12 females of Diego's species alive on Espanola. To save his species, Chelonoidis hoodensis ...

The giant tortoises are known for their long ... One of the newly freed tortoises is Diego, estimated to be around 100 years old. Renowned for his fertility, he alone has fathered some 800 ...