{"fact":"Not all crows are expert problem-solvers. Some crows seem to just guess randomly when faced with a challenge!","context":"However, overall, many crows did not pass, indicating the possibility that the task may not reflect a simple associative learning exercise. ... Many of the birds seemed to be responding randomly and at chance.","source":"Jennifer Vonk, Sticks and stones: Associative learning alone?, 10.3758/s13420-019-00387-4","index":476}