I love dolphins. It is so great that they are aquatic mammals that live in so many places.
Plus they're really friendly! How do they communicate with each other?
Dolphins communicate with clicks. They belong to the Cetacea family.
That's amazing! What is echolocation?
It is the use of a biological sonar by several kinds of animals.
Do dolphins use echolocation?
Yes. Some mammals and a few birds use echolocation, including dolphins, whales, even bats.
Do dolphins have families?
Dolphins belong to the extant families Delphinidae, Platanistidae, Iniidae, and Pontoporiidae