Once called the Devil's Island because of its history, that first saw it as health quarantine station, then prison camp during World War I and finally maximum-security prison in the 70s, which hosted among others the mafia boss Toto Riina. This isolation, which lasted from 1885 to 1997, has preserved the natural beauty of the island. Now it has become a Natural Park, preserving it from the ravages of mass tourism. Nowadays, Asinara houses some rare animal species like the peregrine falcon, the griffon and the white donkey, native of the island.