Baby whales grow at an average rate of 10lbs per hour!
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Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
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An alligator can go through 2,000 to 3,000 teeth in a lifetime.
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A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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Ants don't sleep
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Crocodiles swallow stones to help them dive deeper.
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