Intelligent birds | Neuroscience | The Guardian

emma the new caledonia crow and her vending machine On the south-west Pacific island of New Caledonia, a crow called Emma has stunned researchers by operating a vending machine they constructed for it, remembering the size of a token needed to release a treat. The ongoing investigation into the intelligence of the species follows the discovery that it works material into fishing hook-style tools to extract larvae from holes in dead wood. Source: Intelligent birds | Neuroscience | The Guardian