Highly intelligent creatures known for their ability to learn and understand complex concepts, often used in laboratory research due to their cognitive similarities to humans.
Despite the colloquial term "flying rats," pigeons exhibit remarkable self-awareness, recognizing their own reflection, specific people, and places over extended periods.
Displaying advanced problem-solving skills, crows engage in complex group tactics, learn speech, recognize human faces, and even memorize garbage routes to scavenge efficiently.
Operating at a higher IQ level than dogs, pigs demonstrate understanding of reflection, utilize various vocalizations for communication, and exhibit empathy, rare traits in the animal kingdom.
The only invertebrate on the list, octopuses showcase remarkable intelligence, capable of high-order planning, tool usage, problem-solving, and sophisticated camouflage techniques.
Possessing intelligence comparable to a five-year-old human, African grey parrots master human speech, understand spatial reasoning, and demonstrate cognitive abilities such as identifying shapes and colors.
Known for their long memory and complex social structures, elephants exhibit altruistic behavior, tool usage, and even self-medication by consuming certain plants to cure illness.