31 Awesome Dolphin Facts


79 votes - 90%
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1. Dolphins look like fish but they are really mammals.
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2. Dolphins sleep with one eye open.
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3. Unlike any other mammals, dolphin babies are born tail first.
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4. Every dolphin has its own signature whistle to distinguish it from other dolphins, much like a human fingerprint.
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5. Dolphins give names to each other.
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6. Dolphins sleep with one half of the brain at a time and one eye closed.
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7. Dolphins sleep with one eye open!
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8. Dolphins sometimes use decapitated fish to masturbate.
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9. Dolphins sleep with one half of the brain at a time, and with one eye closed
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10. Dolphins have been observed harassing animals, for example, by dragging birds underwater without showing any intent to eat them.
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11. The smallest species of dolphin, the vaquita, is only four feet long and lives only in the Sea of Cortez.
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12. Dolphins that are tagged by scientists swim 11 percent slower because of the drag from the object on their bodies.
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13. Dolphins can jump up to 20 feet above water.
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14. Some dolphins can hold their breath under water for as long as 30 minutes.
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15. Male dolphins will sometimes flaunt their authority by forcefully raping other male dolphins.
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16. In Jurassic Park, Dolphin screams, walruses bellowing, geese hissing, an African crane's mating call were mixed to formulate raptor sounds.

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17. Like a bat, dolphins use echolocation to navigate and hunt, bouncing high-pitched sounds off of objects, and listening for the echoes.
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18. Humans and dolphins are the only species that have sex for pleasure.
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19. Dolphins deliberately get high off of pufferfish toxins.
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20. Dolphins will sometimes try to rescue people who are drowning.
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21. Dolphins sleep in a semi-alert state by resting one side of their brain at a time.
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22. A dolphin's flipper has five digits and nearly the same bone structure as a human arm and hand.
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23. Dolphins nap with one eye open.
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24. Dolphins masturbate.
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25. Cuban children with special needs can attend dolphin-assisted therapy at the National Aquarium in Havana.
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26. Dolphins shut down their brain one hemisphere at a time, so that they can always sleep with one eye open.
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27. An adult dolphin can consume 30 pounds of fish or more in a single day.
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28. In the wild, dolphins can live to the age of 50.
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29. Dolphins swallow fish whole, despite having 100 teeth in their mouths.
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30. Dolphins communicate in several forms through whistles, clicks and sounds.
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31. Dolphins are the only animals besides humans that call each other by name.

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