Cementing their status as the most terrifying of all the birds, a new study has found that ravens are able to imagine being spied upon -- a level of abstraction that was previously thought to be unique to humans.
The ability to think abstractly about other minds is singled out by many as a uniquely human trait. Now, a study from the Universities of Houston and Vienna have found that ravens are able to adapt their behaviour by attributing their perceptions to others.
Sunday, July 16, 2017
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