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S1 E7 48min TV-PG
Wade into the wetland home of an unusual family of rodents. Capybaras have developed a number of adaptations that allow them to thrive in a dangerous environment, including webbed feet and synchronized births. But there's one trait that really stands out: they're as big as sheep. Because when you're surrounded by hungry predators, size matters. Air Date: May 1, 2018