* Echolocation: Dolphins use echolocation to navigate and find prey. They emit a series of high-pitched clicks and then listen for the echoes that bounce back off objects. This allows them to create a mental map of their surroundings and to locate objects even in complete darkness.
* Hunting: Dolphins are predatory animals and they need to know how to find and catch their prey. They use echolocation to locate schools of fish or other prey, and then they use their speed and agility to catch them.
* Socializing: Dolphins are social animals and they need to know how to interact with each other. They communicate with each other using a variety of sounds and body language. They also form strong bonds with each other and cooperate to hunt and defend themselves.
* Learning: Dolphins are intelligent animals and they are able to learn new things. They learn from their parents and other members of their pod, and they can also learn from humans. They are able to solve problems and adapt to new situations.
* Navigating: Dolphins are able to navigate over long distances. They use a variety of cues to help them navigate, including the sun, the stars, and magnetic fields. They are also able to use echolocation to create a mental map of their surroundings.