Delightful dolphin facts that will surprise you

Dolphins are truly remarkable creatures. They possess a social nature, displaying friendliness and exceptional intelligence. Now a new study published on October 2 reveals that bottlenose dolphins flash a 'smile' at each other during play to avoid misunderstandings, much like humans do to smooth social interactions.While dolphins are widely adored, there are many more intriguing facts about them that would surprise most people, from their complex social lives to their unexpected role in modern warfare.Click through this gallery to embark on an underwater journey of discovery in the fascinating world of dolphins.