When Miss Heliotrope is saying goodbye to Maria Merryweather as she sets off for the forest on her horse with the rabbit in her lap, in three successive shots the rabbit changes position each time in her lap as she leaves.
As they are having breakfast the first morning in Moonacre, the level of the shake in Benjamin's glass change from full, to less, to full again.
Had Maria's father never died the curse would have never had a chance to be broken.