World is full of surprises and there are many interesting facts around us that most of us are not aware of. For example – You are one percent shorter in the evening than in the morning or the strongest muscle in a human body is Tongue.
Such interesting facts can also be found in animals. Apparently one does not know how many kinds or species of beautiful creatures we have on earth and the amusing facts surrounding them.
From 'caterpillars' to 'octopus', there are many surprising as well as interesting facts about animals as compiled by All that is Interesting that will boggle your mind.
Check out the above slideshow of 15 unknown and interesting facts about animals.