Elephants have the best memory among animals. They can remember people, places, and events for up to 50 years.

Humans have the most neurons in their brain, with an estimated 86 billion neurons.

Chimpanzees are known for their tool-using abilities. They use sticks, stones, and other objects to obtain food, build nests, and defend themselves.

Dolphins are known for their problem-solving abilities. They can cooperate with each other to solve complex problems, such as hunting for food or escaping from predators.

Chimpanzees are known for their ability to recognize themselves in a mirror. This ability is considered to be a sign of self-awareness.

Chimpanzees are known for their ability to learn language. They can understand and produce human words and gestures.

Dolphins are known for their ability to remember spatial relationships. They can navigate through complex underwater environments using echolocation.

Elephants are known for their ability to remember social interactions. They can recognize and remember other elephants, even after many years.

All of the animals listed are known for their ability to learn from experience.

Chimpanzees are known for their ability to use tools. They use sticks, stones, and other objects to obtain food, build nests, and defend themselves.

Dolphins are known for their ability to solve problems. They can cooperate with each other to solve complex problems, such as hunting for food or escaping from predators.

Chimpanzees are known for their ability to recognize themselves in a mirror. This ability is considered to be a sign of self-awareness.

Chimpanzees are known for their ability to learn language. They can understand and produce human words and gestures.

Dolphins are known for their ability to remember spatial relationships. They can navigate through complex underwater environments using echolocation.

Elephants are known for their ability to remember social interactions. They can recognize and remember other elephants, even after many years.