{"fact":"Crows aren't afraid to bend the rules (or wire).  New Caledonian crows and rooks have been observed bending wire to create hooks, demonstrating their innovative tool-making skills.","context":"One of the most impressive behaviors produced by both these corvid species is the bending of man-made material into hooks.","source":"Nicola Clayton; Nathan Emery, Corvid cognition, 10.1002/wcs.1286","index":270}