{"fact":"Crows can be opportunistic eaters, even seeking out discarded food scraps under experimental equipment!","context":"The bird fell to the ground beneath the apparatus, finding there some pieces of bread which had been dropped earlier in the day. Naturally enough, it ate them...","source":"Charles A. Coburn; Robert M. Yerkes, A study of the behavior of the crow Corvus Americanus Aud. by the multiple choice method., 10.1037/h0076090","index":19}