{"fact":"Crows can learn to count and peck a specific number of times after seeing a number or a group of dots.","context":"We trained two carrion crows (Corvus corone) to judge the numerical values from one to five in instruction displays and to flexibly plan and perform a matching number of pecks.","source":"Maximilian E. Kirschhock; Andreas Nieder, Number selective sensorimotor neurons in the crow translate perceived numerosity into number of actions, 10.1038/s41467-022-34457-5","index":385}