What is the ranking of the smartest to the stupidest animals?

Answer 1

Often, humans are at both ends of this scale.

Answer 2

It is difficult to rank animals in terms of intelligence, as each species has its own unique abilities and ways of solving problems. Some animals known for their intelligence include primates such as chimpanzees and dolphins, while simpler organisms like insects and reptiles also exhibit remarkable behaviors. Ultimately, intelligence is a complex trait that varies widely across different species.