Previews + Extras
Dolphin Mud Walls
S30 E9 - 2m 11s
In the shallows of Florida Bay, the fish can be very difficult to catch. Dolphins solve the problem by creating walls of mud that trap the nearby fish.
Ocean Giants: Deep Thinkers
S30 E9 - 30s
Find out how clever - and how much like us - whales and dolphins might be. 4/4/2012
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