{"fact":"A New Caledonian crow was observed placing raw food directly onto a heat lamp, leading to the food browning.","context":"After entering, he saw a clump of the meat mixture on the casing of the heat lamp, and Liane perching near it. The food clump had browned on the bottom and was promptly removed by the experimenter.","source":"Ivo Jacobs; Auguste M.P. von Bayern; Mathias Osvath, Tools and food on heat lamps: pyrocognitive sparks in New Caledonian crows?, 10.1163/1568539x-bja10138","index":439}