{"fact":"Think crows understand water displacement? Think again!  A study found that crows didn't transfer their stone-dropping skills between different tasks, suggesting they weren't grasping the big picture.","context":"Furthermore, subjects did not transfer information learned in one task to subsequent tasks, suggesting that corvids do not engage with these tasks as variants of the same problem (i.e., how to generate water displacement to retrieve a floating worm).","source":"Laura Hennefield; Hyesung G. Hwang; Sara J. Weston; Daniel J. Povinelli, Meta-analytic techniques reveal that corvid causal reasoning in the Aesop’s Fable paradigm is driven by trial-and-error learning, 10.1007/s10071-018-1206-y","index":327}