Strolling through the park at dusk, a carrion crow caught Gideon’s eye as it moved through a tree. He kept watch waiting for the crow to pause in silhouette. Finally, just as the light was failing, ...

A Japanese carrion crow examines the fruit of its labors On the Pacific island of New Caledonia, the crows demonstrate a tool-making, and tool using, capability comparable to Palaeolithic man’s.