A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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The largest breed of rabbit is the Flemish Giant.
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There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
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.
10
In order to enhance the taste, Japanese macaque wash their food in salt water before they eat. They also make snowballs for fun!
7
Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
10