{"fact":"Crows are quick decision-makers! They don't slow down when switching between choosing the longer and shorter lines, unlike humans.","context":"The crows switched effortlessly between “longer than/shorter than” rules, showing no signs of trial history affecting switching performance.","source":"Felix W. Moll; Andreas Nieder, The long and the short of it: Rule-based relative length discrimination in carrion crows, Corvus corone\n, 10.1016/j.beproc.2014.08.009","index":203}