Lonesome George male Pinta Island tortoise: Last known individual of the subspecies.

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Lonesome George was known as the rarest creature in the world. George serves as an important symbol for conservation efforts in the Galápagos Islands and throughout the world. George was first seen on the island of Pinta on November 1, 1971, by Hungarian malacologist József Vágvölgyi. The island's vegetation had been devastated by introduced feral goats, and the indigenous C. n. abingdonii population had been reduced to a single individual. It is thought that he was named after a character played by American actor George Gobel. He was relocated for his own safety to the Charles Darwin Research Station on Santa Cruz Island, where he spent his life under the care of Fausto Llerena, for whom the tortoise breeding center is named. It was hoped that more Pinta Island tortoises would be found, either on Pinta Island or in one of the world's zoos, similar to the discovery of the Española Island male in San Diego. No other Pinta Island tortoises were found. The Pinta Island tortoise was pronounced functionally extinct, as George was in captivity.

Over the decades, all attempts at mating Lonesome George had been unsuccessful. This prompted researchers at the Darwin Station to offer a $10,000 reward for a suitable mate.

Until January 2011, George was penned with two females of the species Chelonoidis niger becki (from the Wolf Volcano region of Isabela Island), in the hope his genotype would be retained in any resulting progeny. This species was then thought to be genetically closest to George's; however, any potential offspring would have been hybrids, not purebreds of the Pinta Island species. On June 24, 2012, at 8:00 am local time, Galápagos National Park director Edwin Naula announced that Lonesome George had been found dead by Fausto Llerana, who had looked after him for 40 years. Naula suspected that the cause of death was cardiac arrest. A necropsy confirmed that George died from natural causes. The body of Lonesome George was frozen and shipped to the American Museum of Natural History in New York City to be preserved by taxidermists. The preservation work was carried out by the museum's taxidermist George Dante, with input from scientists. In November 2012, in the journal Biological Conservation, researchers reported identifying 17 tortoises that are partially descended from the same species as Lonesome George, leading them to speculate that related purebred individuals of that species may still be alive.
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