Most dolphins you see in animal parks are bottlenose dolphins. You have probably seen them in the movie Flipper too. Bottlenose dolphins live together in groups and love to play with other dolphins and with things they find in the water, such as pieces of seaweed or driftwood. Their favorite game is chasing boats. They love to “surf” the waves made by boats, and the higher the waves, the more fun they have!
After returning to the surface, the dolphin exhales strongly. Then, it inhales right away and dives down into the water once more.
Dolphins perceive sound through their tiny ears, located right behind their eyes.
They can hear much better than we can. Very often, they hear sounds that we are not even aware of.
Bottlenose dolphins have smooth skin. Instead of fur to keep their body warm, they have a layer of fat (blubber) under their skin. Because their skin is so smooth, they are able to swim very fast.
Sometimes, you may notice little scratches on their body. That is because sometimes they bite each other with their sharp teeth during play. Dolphins also caress each other gently whileplaying. They love it, especially around their nose and pectoral fins and on their belly.
Under water, dolphins make a lot of clicking sounds that sound like squeaks or a creaking door. Those clicks bounce off objects, such as fish, and the dolphin perceives the echo with its ears. That way, it knows where to find the fish. These sounds help these animals to find their way in the water.
These sounds help these animals to find their way in the water. While we can see the difference between shark, a fish, coral or a rock, dolphins can hear it.. They can find their way even blindfolded.
Sonar is kind of a sixth sense.
Other whales and bats also use sonar. Besides sonar sounds, dolphins also make singing and whistling sound.
By the way, dolphins do not use their mouth to make sounds like we humans do, because they do not have any vocal chords. The sounds come out of their blowhole instead.