'Extinct' Galapagos tortoise reappears

Associated Press
Dirk the Giant Galapagos Tortoise (Chelonoidis nigra) reacts as he is weighed by keeper Sebastian Grant on a giant set of weighing scales at London Zoo in London, Thursday, Aug. 25, 2011. The zoo is carrying out it's annual check on over 750 species, recording weights and heights. The information is recorded into the International Species Information System which can be shared with zoos across the world. (AP Photo/Kirsty Wigglesworth)

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After 150 years of being "extinct," a species of giant tortoise may be on the verge of a comeback tour, scientists report on Jan. 9. The researchers "found" the lost species, called Chelonoidis elephantopus, by analyzing the genome of a closely related species which lives on Isabela Island, the largest of the Galápagos Islands in the Pacific Ocean.

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