{"fact":"New Caledonian crows on Mare´ Island are simple tool users compared to their mainland cousins. They craft basic stick and pandanus tools, skipping the more complex hooked twig and stepped designs seen on Grande Terre.","context":"Crows on Mare´ only manufacture non-hooked stick tools and wide pandanus tools, not the more complex hooked twig tools and stepped pandanus tools that birds produce on Grande Terre (Hunt 1996; Hunt & Gray 2002, 2003, 2004).","source":"Gavin R Hunt; Russell D Gray, Parallel tool industries in New Caledonian crows, 10.1098/rsbl.2006.0603","index":549}