2019-04-21 15:39 thomas.godart About dolphin's intelligence by National Geographic Dolphins: Even Smarter Than You Thought | Nat Geo Live play_circle_filled YouTube https://youtu.be/XZ4hZx6K85Y labeldolphin check_box labelanimal check_box_outline_blank labelintelligence check_box_outline_blank labelinteresting check_box_outline_blank