Imagine that every time you went fishing, a pod of dolphins appeared to guide you towards a school of fish, ready for your net. Well, this is actually a thing. Starting in the 19th century (or maybe even the 18th) wild dolphins in Laguna, Brazil have formed a symbiotic bond with the local fishermen.
These Dolphins Know What's Up
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These Dolphins Teach Fishermen How To Fish
A dolphin pod herds schools of fish towards the shoreline, then gives distinct signals telling the fishermen when to cast their nets.
Dolphins Give Each Other Unique Names
Research has discovered that dolphins call each other's signature whistles when they're caught in nets, and will also whistle back if they have a recorded version of their whistle played at them.
Key Facts In This Video
Each dolphin's signature whistle serves as a "name" and also carries other information about an individual. 00:25
Dolphins can create new whistles to identify objects and even human trainers. 01:22
Dolphins may be able to recall all of the individuals in a certain group after hearing the signature whistle for one member. 02:13
Just How Smart Are Dolphins?
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