{"fact":"Crows are very social and pay attention to others. One study found that some crows preferred to check a cup that had been touched last, even if they saw the food being taken away from it!","context":"Interestingly, they strongly preferred the cup which was manipulated last, even if it did not contain any food.","source":"Sandra Mikolasch; Kurt Kotrschal; Christian Schloegl, Is caching the key to exclusion in corvids? The case of carrion crows (Corvus corone corone), 10.1007/s10071-011-0434-1","index":233}