Cali is staying with us for a couple of weeks and one day when she went outside a squirrel was eating from the bird feeder. She chased the squirrel up the tree and then tried to climb up after it. Now every time the back door opens, she rushes out and heads directly for the tree. A couple of times the squirrel has been waiting and she is ALMOST fast enough to catch it. In the mornings she is torn between eating and looking for the squirrel - the food dish wins every time.