Question: what are the five smartest animals?
Answer: 5 - Crows. Getty Images. They may not be the prettiest bird in the sky, but crows are pretty clever. ... 
4 - Octopus. PA. ... 
3 - Orang-utans. Just because they choose to live in trees rather than houses, it doesn't mean they're stupid! ... 
2) Dolphins. Life can get a bit boring in the big open ocean. ... 
1) Chimpanzee. PA.