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Interesting Dolphin Facts
Every dolphin has its own signature whistle to distinguish it from other dolphins, much like a human fingerprint.
Deep within a dolphin's body it's temperature is normally 35 degrees to 36.9 degrees, while it's outer body temperature is usually cooler. In comparison, a human's body temperature is 37.3 degrees.
Dolphins usually live up to about twenty years, but have been known to live for about forty.
Dolphins sleep in a semi-alert state by resting one side of their brain at a time.
Dolphins can help other sick or injured dolphins as often as they can, and they work as team if danger is nearby.
A dolphin can hold its breath for 5 to 8 minutes at a time.
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