7 years ago
Raccoons Pass Famous Intelligence Test—By Upending It
Raccoons are notoriously pesky, but are they as clever as a crow? Scientists recently put the masked mammals through the Aesop's Fable test, which measures if animals can discern cause and effect by displacing water to access food. The experiment is based on the story in which a thirsty crow can’t drink from a pitcher with a low level of water. By dropping in stones, the bird raises the water level and is able to drink.
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