Friendships among male bottlenose dolphins can last a lifetime. | National Geographic

Explanation of 3 sounds made by Bottlenose Dolphins. Listen carefully and you can hear all 3. The 3rd explanation is from our own findings. *Clicks*: Used for echolocation, where they emit a series of quick clicks, the sound waves bounce off objects, and by analyzing the returning echoes in a part in the front of their head called the Melon, dolphins can determine the shape, size, speed, distance, and even some of the internal structure of objects. *Whistles*: Used primarily for communication am