Do dolphins smile?
Yes, this smile is the result of the structure of a dolphin's mouth, not so much the dolphin making a facial expression. You etc
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About Dolphin
Dolphins are the beloved marine mammals that have the face that appears to be smiling. Dolphins are extremely intelligent, and have a sophisticated system of communication that they use among themselves.
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They do not really smile. A dolphin's face may appear to be s...
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