Dive with the smartest mammals in the ocean

Do you know dolphins? Many people think this animal is a fish because it lives in the ocean. However, dolphins are actually mammals or mammals such as goats and cows. This marine mammal is labeled as the most intelligent animal in the waters. Yup, they are very friendly with humans and can even communicate through certain physical actions. These animals also have unique abilities, such as helping humans adrift in the middle of the sea, accompanying sailing ships, even dolphins can act as an early warning of an earthquake. Cool, right?