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Stat: 21. The number of African countries where manatees live.

Story: If you\u2019ve ever seen a manatee, chances are you were in Florida, where these aquatic relatives of the elephant may have poked their faces above the water\u2019s surface to get a look at you. But this episode\u2019s guest studies manatees few have ever seen\u2014the African species that live in remote, murky waters. Host Dan LeDuc talks to 2017 Pew marine fellow Lucy Keith-Diagne about what makes these creatures so fascinating\u2014and the threats facing them.