Even in the Animal Kingdom, Laughter is the Best Medicine

If you thought that laughter, is a given right to Human beings alone, then you need to think again. Animals too, do not mind a tickle when a situation demands so. Many species have demonstrated vocalization resembling human laughter. Scientist believe that the laughter existed in other animals long before, we human started cracking up. Here are some photos to prove that laughter and joy are unique to Human beings.

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