Out of all the species, the human species is the smartest. We are the ones who have the most thorough knowledge of the world. Mammals, birds, fishes, and insects mainly know about their living environment and a little of creativity. On the hand, we are capable of knowing math, science, astronomy, biology, psychology, ect. You be surprise how fun and creative a person can be; if he uses his 5 senses, surrounding and tools to its maximum capability.