Reading: Chủ đề Dolphins

Dolphins are marine mammals that are related to whales and porpoises. A marine mammal is one that lives in the water. Dolphins are found all over the world’s oceans as well as in rivers and marshes. Dolphins are carnivores (meat-eaters) and feed on fish, squid and other marine life They often swim together in groups called “pods.” They are thought to have powerful eyesight and hearing, but do not have a sense of smell.

Dolphins come in different sizes. Some are smaller than the average person, but others, such as the Orca, can be 30 feet long, or more than five times as long as the average person. Dolphins are thought to be very intelligent and communicate with each other using clicks and whistles. All dolphins are powerful swimmers. Have you ever seen a dolphin? Groups of dolphins can often be seen bobbing in and out of waves close to the shoreline.