The family Delphinidae, commonly known as dolphins, includes some of the most intelligent and social marine mammals. They are known for their playful behavior and strong social bonds, often living in groups called pods. Dolphins communicate using a variety of sounds, including clicks and whistles, which helps them coordinate while hunting and navigating their ocean habitats. Dolphins are found in oceans and seas around the world, with many species, such as the bottlenose dolphin and orca, showcasing unique characteristics. They are known for their streamlined bodies and remarkable agility, allowing them to swim swiftly and perform acrobatic leaps out of the water.