Back from the dead?
8 rare species thought to be extinct that actually aren't
Weird, wacky, and way more resilient than we give them credit for.

For over a century, researchers believed that the giant tortoise Chelonoidis phantasticus was extinct in the Galapagos Islands.
But after sequencing the genome of a living Galapagos tortoise discovered in 2019, scientists learned that it was actually a Chelonoidis phantasticus.
RODRIGO BUENDIA/AFP/Getty Images
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