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In fact, there are a number of creatures with life spans that make the oldest living human seem like a spring chicken in comparison. Here's our list of the 10 animals with the longest life spans  and there's even an immortal animal. CREDIT: limowreck666/Flickr. Geoducks. First on the list are these large saltwater clams that are native to the Puget Sound and have been known to live for at least 160 years.
Galapagos tortoises. These giant tortoises are so iconic that the islands were named after them (galapago means tortoise in Spanish). They are the largest tortoises in the world and among the longest living vertebrates, with potential lifespans in excess of 170 years. In the absence of any major predators, adult tortoises evolved a docile demeanor, which unfortunately made them easy to exploit by early human settlers.