Chimpanzees - Chimpanzees are considered to be the most intelligent animals in the world after humans, with their ability to solve complex problems, use tools, and communicate through sign language.
Dolphins - Dolphins are known for their high intelligence and social nature. They have been observed exhibiting problem-solving skills and even using tools.
Elephants - Elephants are highly intelligent animals with complex social structures. They have been observed exhibiting empathy, grief, and self-awareness.
Parrots - Parrots are renowned for their ability to mimic human speech, but they also possess impressive problem-solving skills and have demonstrated the ability to count.
Dogs - Dogs are known for their loyalty and ability to understand human emotions. They can be trained to perform a variety of tasks, from herding livestock to assisting people with disabilities.
Pigs - Pigs are highly intelligent animals that are often used in scientific research. They have been observed exhibiting problem-solving skills and can be trained to perform a variety of tasks.
Ravens - Ravens are known for their problem-solving abilities and have been observed using tools and communicating with each other in complex ways.
Orcas - Orcas, or killer whales, are highly intelligent and social animals that have been observed exhibiting problem-solving skills and even working together to hunt prey.
Octopuses - Octopuses are known for their remarkable intelligence, with the ability to solve complex puzzles and even use tools. They also have the ability to change color and shape, making them masters of camouflage.
Rats - Rats are often seen as pests, but they are actually highly intelligent animals that have been used in scientific research for their problem-solving skills and ability to navigate complex mazes.