silver_m
A couple of years ago, in a marine aquarium near Miami, scientists brought several dolphins just caught in the ocean and planted them to already domesticated individuals, dividing for the case by a fence. According to the witnesses of the guards, all the next night the noise from the aquarium was delivered - these old people engaged in a conversation with the newcomers. The dolphins communicated through the fence without seeing each other.
What was the surprise of the scientists, when in the morning they discovered that the newcomers already know perfectly and perfectly perform all those tricks, which were previously taught by their previously caught colleagues.

Pancho
They told me how and why to get fish.