Маленький рассказ на языке о дельфинах 4 класс

Some of the most sociable and friendly members of the animal world - members of the family Delphinidae. These include dolphins and porpoises. Their mother feeds milk, so dolphins are mammals. They - warm-blooded. They have sharp teeth, and their head ends mouth, like a bird's beak. The main food of dolphins - fish, shellfish and small animals.