Question

why humans are intelligent in earth why not animal

Answer 1

who said, animals are also very intelligent like fox monkeys

Answer 2

who said you that animals are not intelligent they are intelligent than us but the thing was they was not trained.
For human beings their parents treat them to walk,talk etc. but not animals.
U seen in circus animals will perform very well because they are trained.

Hope it helps you........!☺️☺️