| Dolphins are small members of the whale
family. Dolphins and porpoises are mammals. They are not a fish. They are
warm blooded. Dolphins and porpoises have been clocked at sea
traveling at speeds of more than 25 miles per hour. The largest dolphins
reach a length of about 15 feet, but most species are 7 to 10 feet long.
Dolphins are famous for their intelligence
and learning abilities. Dolphins communicate using an underwater
sonar that consists of high pitched whistles and squeaks. Dolphins
have a highly developed sense of hearing. Dolphins often travel in groups
like a herd. |
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