Dolphins Recognize Friends By Tasting Their Pee
Dolphins use signature whistles to represent other dolphins
Dolphin Speak: Did A Dolphin Really Say Seaweed? - The Dodo
New Study Suggests Dolphins Can Recognize Friends By Their Pee
Dolphins can identify their friends by taste, study shows for the
The Cove : Richard O'Barry, Brook Aitken, Joe Chisholm
Dolphins can tell who their friends are by their WEE! - BBC Newsround
Dolphins can tell who their friends are by their WEE! - BBC Newsround
Dolphins Have Different Whistles Based on Their Environment