No 'bird brains'? Crows exhibit advanced relational thinking, study suggests

December 18, 2014
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Crows have the brain power to solve higher-order, relational-matching tasks, and they can do so spontaneously, according to new research. That means crows join humans, apes and monkeys as capable of advanced relational thinking.

See also another interesting December article: Why tool-wielding crows are left- or right-beaked
and November article: Crows are no bird-brains: Neurobiologists investigate neuronal basis of crows' intelligence