More than 620 million years of evolution separate crows from humans, but the birds show that they can plan three steps ahead. Romana Gruber

New Caledonian crows smart enough to plan three steps ahead to solve tricky problem

New Caledonian crows are famous for using tools to reach a reward. Now scientists have confirmed they can plan several steps ahead, like a chess player contemplating a series of moves.
First tools, then power tools, then we rule the world. Mick Sibley/University of Auckland

Crows, the technological tool specialists of the avian world

While the species of the crow family - including jackdaw, magpie, crow, rook and raven - are renowned in myth and legend for their intelligence, a scientific basis for this has been hard to establish…

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