The development of chimpanzees parallels human social and cognitive learning. Young chimps learn by watching mothers and peers, mirroring human children’s observational learning.
If we understand that intelligence implies the ability to solve problems, each animal is acclimatized to solving those that are specific to its environment.
This elephant figured out how to use a hose to shower
"Bathing and spraying themselves with water, mud, or dust are very common behaviors in elephants and important for body temperature regulation as well as skin care."