Domestic pigs average a top speed of about 11 miles per hour.
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It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
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