Scientists have two hypotheses about why dolphins leap out of the water and spin. One is that they are getting rid of parasites. The other is that they making an emotional "exclamation point" about something that just happened.
The above clip is from the upcoming documentary, Dolphins: Spy in the Pod, premiering on Saturday, March 7 at 8/7c on the Discovery Channel.
Take a journey into the hidden lives of bottlenose and spinner dolphins, some of the world's most playful, clever and beloved animals. From the award-winning team behind "Penguins: Waddle All The Way," Dolphins: Spy in the Pod airs Saturday, March 7 at 8/7c on Discovery Channel. In the fascinating hour-long documentary, cutting-edge spy cameras disguised as sea creatures – including a robotic dolphin, tuna, nautilus and squid – capture never-before-seen footage of dolphins in their natural habitat. Get an intimate, all-access view into the waters of Mozambique, Costa Rica, the Florida Keys, the Pacific Ocean and Shark Bay, Australia and witness the stunning, first-ever footage from inside a spinner dolphin pod; a spinner dolphin leap; and dolphin superpod communicating and filling the ocean with speech bubbles.