Dolphins
Beginning of paper
are mammals closely related to whales and porpoises.
have a powerful and streamlined body. They are found in all seas and oceans.
can be told apart from porpoises by their nose, which is beaklike, and
also their conical teeth. Porpoises have a flatter nose, sharper teeth, and a
more solid body.
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Middle of paper
.... were once hunted by commercial boats for the small amount of
oil that can be extracted from their body. This oil is used to lubricate small
parts in watches. Cheaper oils have been found, so dolphins are not hunted for
this reason anymore. Dolphins can be caught in tuna nets by accident. Since
dolphins have to breath at the surface they drown in tuna nets. It is estimated
that 4.8 million dolphins were killed in tuna nets from 1959 to 1972. Under
pressure from animal rights activists tuna co ....
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Page count: 4 (approximately 250 words per page)
