{"fact":"New Caledonian crows are resourceful tool users, sometimes even repurposing discarded feathers for probing and retrieving food.","context":"At least one wild crow at our long-term dry-forest study site on the central west coast of Grande Terre (‘Gouaro-Déva’) has been observed using a moulted feather for probing behaviour (unpubl. data).","source":"Christian Rutz; James J.H. St Clair, The evolutionary origins and ecological context of tool use in New Caledonian crows, 10.1016/j.beproc.2011.11.005","index":382}