Chimpanzees and bonobos, which are both great apes, are considered to be among the most intelligent animals.
Dolphins are known for their remarkable problem-solving skills, advanced communication abilities, and complex social structures.
Elephants display high levels of cognitive ability, including problem-solving, memory, and social intelligence.
Orangutans and gorillas, like chimpanzees and bonobos, are great apes with notable intelligence.
Parrots, such as African Grey Parrots, are renowned for their ability to mimic human speech and demonstrate problem-solving skills.