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Dolphins are famous tobe very bright. They are good at using whistles(哨声) as their language.
Dolphins usuallylive in groups. A group of dolphins near the beach usually has about 10members. Far away from the beach, groups can be much larger, with hundreds ofmembers. The members in a group are very friendly. They play with each other,talk to each other, and help each other. Dolphins often work together to fightagainst other animals, and find food.
Scientists watchdolphins in the Moreton Bay. Ina studies a group of dolphins for many years.She said, “When the dolphins live on natural food, I think it's more importantfor them to get on with others, or to learn from others, or to work with othersto get food.”
It’s true that thesefriendly dolphins will continue to teach the scientists about their ways, asthey live in the clear waters of Moreton Bay.