It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
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The Basenji dog is the only dog that is not able to bark.
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Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV using a remote control, brush his teeth, feed hay to his owner's horses, water plants, and learned the schedule of passing ice cream trucks.
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Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
A cow produces around 200,000 glasses of milk in her lifetime.
373
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
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