{"fact":"New Caledonian crows are the only bird species with complex tool skills, crafting tools from twigs and Pandanus leaves.","context":"The New Caledonian crow (Corvus moneduloides, NC crows hereafter) is the only bird species with complex tool skills (Hunt, 1996, 2000a,b; Hunt & Gray, 2002, 2007). Besides crafting crochet-like hooked tools out of twigs (Hunt & Gray, 2004a), NC crows manufacture three distinct tool designs from the barbed edges of Pandanus species leaves (Hunt & Gray, 2003).","source":"Jennifer C. Holzhaider; Gavin R. Hunt; Russell D. Gray, The development of pandanus tool manufacture in wild New Caledonian crows, 10.1163/000579510x12629536366284","index":463}