Man is the most intelligent animal. What could be the fact the helped us to reach such a conclusion ?

Explanation

1) Man is the most intelligent animal in animal kingdom.
2) This is possible by well development of brain and its marvellous function.
3) Human brain has abilities to learn from concepts.
4) It understands, applies logic and reason.
5) The brain also recognizes patterns, comprehends ideas.
6) The human brain has ability for making plans, solving problems, making decisions and retaining information.
7) Man is the only animal who uses language to communicate.
8) Intelligence enables humans to experience and think.
9) It has also consciousness and self-awareness.