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Dolphins stay awake for 15 days

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Dolphins can stay awake for a mammoth 15 days or more – by sleeping with one half of their brain at a time, scientists in America have discovered.
Researchers in America tested two bottlenose dolphins’ responses to echoes as they swam around a pen.
The mammals kept going for five days non-stop in three separate tests, and one even managed 15 days in another trial.
Experts think the ability is an important survival skill for dolphins.
It means they can surface to breathe when they need to and keep watch for shark attacks. Dolphins use sound waves to find their way, hunt prey, detect predators and organise groups.

One Response

  1. Dolfing are happy smile for the camera today in the rain next week i play field for life and ride bike to house of hospital for happy times and respect the penguin cause cat dog sad for ever and house roof tomorow.

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