{"fact":"Crows can figure out how tools work!  New Caledonian crows have even been seen crafting tools like hooked twigs and specially cut leaves to snag insects.","context":"The clearest example of tool-use and manufacture in corvids is by the New Caledonian crows (Corvus moneduloides) in the South Pacific. Hunt described how crows manufacture two types of tools (stepped-cut Pandanus leaves and hooked twigs) for use in retrieving insects (Hunt 1996).","source":"Nathan J Emery, Cognitive ornithology: the evolution of avian intelligence, 10.1098/rstb.2005.1736","index":362}