Explore the Wildlife Kingdom: Dolphins - Tribes of the Sea

"They've been called one the most intelligent species of mammal on the planet, and with this release, animal lovers can find out just how complex our fascinating friends from the sea really are. In addition to being gifted with a startling capacity for language and affection, these good natured ocean dwellers have proven one of the most adept species in the animal kingdom at understanding and working with humans. As viewers travel the globe to see how dolphins interact with humans at a series of different locales, researchers discuss the intelligence and intuition to offer detailed look at the friendly mammals that may be second only to mankind in terms of cognitive ability."