{"fact":"New Caledonian crows can pick the right size tool for a new job on the first try, without needing to experiment.","context":"We present an experiment showing that New Caledonian crows are able to choose tools of the appropriate size for a novel task, without trial-and-error learning.","source":"Jackie Chappell; A. Kacelnik, Tool selectivity in a non-primate, the New Caledonian crow (Corvus moneduloides), 10.1007/s10071-002-0130-2","index":159}