Dolphins are intelligent marine mammals known for their playful behavior and social nature. They belong to the Cetacea family, which also includes whales and porpoises. Dolphins communicate using a variety of sounds, including clicks and whistles, and often live in groups called pods. These creatures are found in oceans and seas around the world, showcasing their agility by leaping and riding waves. Dolphins are also known for their remarkable problem-solving skills and strong bonds with one another. They often display empathy and can even help injured members of their pod. Their friendly demeanor has made them popular in aquariums and marine parks, where they are often featured in shows and educational programs.