wow. reminds me of the uplifting of dolphins
They have been reported to exist in Australia, India, Mauritania, Burma, and the Mediterranean, but the best known are in Brazil. In parts of southern Brazil, human fisherman have been cooperating with dolphins for many generations. If fishermen clap just the right way, dolphins will herd fish into the desired areas of fishermen, in muddy lagoon areas. The dolphins perform a distinctive kind of dive to signal to the humans it is time to cast the net for the fish. Only some individual dolphins are able (willing?) to do this well, perhaps the others belong to the 47%. The dolphins which cooperate with the fisherman are also more social, more socially connected, and more cooperative with other dolphins