9 Animal Species Who Are Probably Smarter - Page 6 of 9 - 9facts

9 Animal Species Who Are Probably Smarter

#6. Dolphins

Dolphins - 9 Animal Species Who Are Probably Smarter

Dolphins are often cited as the second-most intelligent animal on Earth due to their relatively high brain-to-body size ratio, capacity to show emotion, and impressive mimicry of the dumb apes who research them. Now, findings from the Institute for Marine Mammal Studies in Mississippi suggest dolphins may also be the second-sneakiest animals on Earth. When dolphins at the Institute were trained to pick up litter in their tanks and exchange them with trainers for fish, one dolphin named Kelly discovered a way to game the system. By hiding scraps of litter under a rock in her tank, Kelly discretely tore single sheets of discarded paper into multiple pieces, then turned them in one at a time to maximize her fishy reward. Kelly’s clever deception, it seems, was no accident; researchers say she did it all on porpoise. Source

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