Photograph by Joe Petersburger, National Geographic How Do Giant Pandas Survive on Bamboo?Panda poop held clues to how bears break down plant fibers, study says. A new analysis of panda poop has finally answered an age-old question: How do giant pandas survive on a diet that's 99 percent bamboo when they have the guts of carnivores? Plant-eating animals tend to have longer intestines to aid in dig
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