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
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
The largest breed of rabbit is the Flemish Giant.
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There's a lizard known as the 'Jesus Lizard' that can run across water.
11
A dairy cow can produce more milk when listening to music.
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Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17