Let's dig into why dolphins are among the smartest animals we know. According to an article in Science, dolphins are thought to be the second-most intelligent species on the planet, behind humans.

Penguins are small marine animals but have an extremely smart functioning brain which helps them in their survival. Sea Lions are also the smartest animal species who learn human techniques and copy ...

The 10 smartest animals include chimpanzees, dolphins, orangutans, elephants and crows, known for their advanced problem-solving skills, communication and social behaviors. Rats, octopuses ...