{"fact":"Just like people, some crows are better at using shapes to make decisions, while others rely more on color.","context":"However, in one of the subjects (crow 7), the significance of colour cues over shape was pronounced and led to significant selection of the red square over the green triangle… This crow also failed to discriminate between familiar triangular and non-triangular shapes when they were presented in a novel colour (both green).","source":"Bezawork Afework Bogale; Shoei Sugita, Shape discrimination and concept formation in the jungle crow (Corvus macrorhynchos), 10.1007/s10071-013-0642-y","index":354}