Dolphins and Whales Have Sophisticated Human-Like Societies

The brains of cetaceans and primates share features that are rarely found elsewhere in nature.

Published On 10/18/2017
11:18 AM EDT
N N o one has ever been able to fully measure the intelligence of whales, dolphins, and porpoises, but evidence continues to mount that it is impressive. Consider Kelly, a dolphin formerly housed at the Institute for Marine Mammal Studies in Mississippi. She was trained to keep her outdoor tank clean. If she brought a piece of litter to her trainer, she was awarded with a fish.