Weight: Up to pounds. Size relative to a 6-ft man:. Least Concern Extinct. Current Population Trend: Unknown. Share Tweet Email. Go Further. Animals Climate change is shrinking many Amazonian birds. Animals Wild Cities This wild African cat has adapted to life in a big city. Animals This frog mysteriously re-evolved a full set of teeth. Animals Wild Cities Wild parakeets have taken a liking to London. Animals Wild Cities Morocco has 3 million stray dogs.
Meet the people trying to help. Environment COP26 nears conclusion with mixed signals and frustration. Environment Planet Possible India bets its energy future on solar—in ways both small and big. Environment As the EU targets emissions cuts, this country has a coal problem. Because of their built-in home security system the massive hard shells and their geographic isolation they only live on a few specific islands , giant tortoises have very few predators to worry about.
Each theory has its flaws and unanswered questions, but scientists believe that some combination of biological and evolutionary factors is what keeps giant tortoises alive for so long. BY Andrew LaSane. In other words, the turtles' ligase continued to function properly.
Whether this means these turtles are completely resistant to DNA-replication issues is yet to be determined, Neuman-Lee said. But it's one possible answer for why turtles are so long-lived. JoAnna Wendel is a freelance science writer living in Portland, Oregon.
She mainly covers Earth and planetary science but also loves the ocean, invertebrates, lichen and moss. She graduated from the University of Oregon with a degree in general sciences because she couldn't decide on her favorite area of science. In her spare time, JoAnna likes to hike, read, paint, do crossword puzzles and hang out with her cat, Pancake. Live Science. The elderly creature earned his name after environmentalists repeatedly tried and failed to mate him with similar species of female tortoise, according to BBC News.
When he was first spotted by a scientist in , it was feared that his species had been wiped out. At the time of his death in , the Galapagos National Park said his passing meant the Pinta had gone extinct. Newsweek magazine delivered to your door Unlimited access to Newsweek.
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