Humans are chimpanzees - literally.

The Third Chimpanzee: The Evolution and Future of the Human Animal
- Jared Diamond

And in fact there are two other sub-species of chimpanzee that have more complex DNA than we do - so are literally more evolved. They just don't have as developed of cerebral cortexes.
They are the only other two sub-species of chimp that have sex in different positions besides 'doggy style'.