How much do you know about dolphins?

NTD Newsroom
By NTD Newsroom
January 7, 2017Entertainment
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How much do you know about dolphins?

1.Dolphins use echolocation, often known as sonar, to see where obstacles are underwater.

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2.Dolphins are warm-blooded mammals, not a cold-blooded fish. They have a blowhole on top of their heads, so they stay 15-20 feet below the water, and come up periodically to breathe.

 

3.Dolphins have a huge lung capacity, and can be under water for 15 minutes.

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4. Dolphins have their own language. They use a combination of clicks and other sounds to communicate, which they use to coordinate activities, or teach other dolphins how to do things.

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5.Dolphins are always alert; they sleep with only one eye open, and half of their brain shutting down at a time.

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