Laguna is a Brazilian city located in the southern state of Santa Catarina.
An interesting collaboration has developed in Laguna: a pod of bottlenose dolphins drive fish towards fishermen who stand at the beach in shallow waters. Then one dolphin rolls over, which the fishermen take as sign to throw out their nets. The dolphins feed on the escaping fish. They were not trained for this behavior; the collaboration has been going on at least since 1847. The phenomenon – which also occurs in parts of West Africa but nowhere else in the world – has for years attracted marine biologists and natural historians to Laguna to study the bizarre, communal relationship.
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