Lonesome George, the only remaining Pinta Island giant tortoise, has died on Sunday on the Galapagos Islands. Fausto Llerena, Lonesome George’s caretaker, found the tortoise’s remains in the direction of his watering hole on Santa Cruz Island, reported the Galapagos National Park in Ecuador. The cause of the tortoise’s death is unclear and an autopsy to find out the cause has been planned. Lonesome George has been kept in a…