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Dolphins (Movie): Miscellaneous
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Dolphins (Ecotourism) , and more.
Dolphins (Ecotourism) , and more.
Because dolphins need to come up to the surface to breathe and have to be alert for possible predators, they do not sleep in the same way land mammals do. Generally, dolphins sleep with only one brain hemisphere in slow-wave sleep at a time... maintaining some amount of consciousness required to breathe and keeping one eye open to keep a watch out for possible threats. The earlier stages of sleep can be observed in both hemispheres of the brain, however.[31]
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The dolphins are taught to avoid touching the mines, which might cause them to explode, said Capt. Mike Tillotson, a Navy bomb disposal expert. He said there was little risk to animals doing this kind of work.
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Dolphins ... appear frequently in non-science fiction literature however. In the book The Music of Dolphins by author Karen Hesse, a girl is raised by dolphins from the age of four until she is discovered by the coast guard. Fantasy author Ken Grimwood wrote dolphins into his 1995 novel Into the Deep about a marine biologist struggling to crack the code of dolphin intelligence, including entire chapters written from the viewpoint of his dolphin characters. In this book, humans and dolphins are capable of communicating via telepathy.
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Dolphins have a streamlined fusiform body, adapted for fast swimming. The basic colouration patterns are shades of grey with a light underside and a distinct dark cape on the back. It is often combined with lines and patches of different hue and contrast.
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