Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
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Parrot parents "name" their children with a signature call.
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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
The seahorse is the only fish to have a neck.
12