{"fact":"New Caledonian crows are so good at using tools, they even make them, both in captivity and in the wild!","context":"We presented kea, a highly explorative species that can use tools in captivity but does not use tools in the wild [31], and New Caledonian crows, proficient tool users and manufacturers in both wild and captive settings [15,32], with a series of experiments to investigate the function and flexibility of exploration in learning about structural object properties.","source":"Megan L. Lambert; Martina Schiestl; Raoul Schwing; Alex H. Taylor; Gyula K. Gajdon; Katie E. Slocombe; Amanda M. Seed, Function and flexibility of object exploration in kea and New Caledonian crows, 10.1098/rsos.170652","index":306}