A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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In order to enhance the taste, Japanese macaque wash their food in salt water before they eat. They also make snowballs for fun!
7
A giraffe's kick is so powerful that it can decapitate a lion.
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Cows can sleep standing up, but they can only dream lying down.
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Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
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