A close photograph of a family of sperm whales socializing with each other off the coast of East Africa , Indian Ocean. Sperm whales are known for their intelligence and complex social behavior. They have been observed exhibiting empathy, cooperation, and even cultural traditions, such as unique dialects of vocalizations that are passed down through generations. Social communication is important for maintaining the complex social structure of sperm whale populations. This social structure helps maintain order and cooperation within the group, and allows them to share resources such as food and protection.