{"fact":"Younger crows adapt to new environments much faster than older crows, showing how early experiences matter.","context":"All of the crows trained at an age of 3 or 4 months quickly acquired responding, while the remaining crows, which were 6 to 10 months of age, required much more prolonged training...Differences in rate of acquisition seemed to be a function of marked differences in adaptation to the test chamber.","source":"Robert W. Powell, Operant responding in the common crow (Corvus brachyrhynchos), 10.3758/bf03334384","index":682}