The parakeets were sitting outside their cage looking puzzled when I got home--actually on top of their cage. They had the half-sheepish, half-proud look of eleven-year-old boys found out down the road at night. The sliding doorway, meant just for changing food bowls, had been left raised just high enough for them to squeeze out through. But evidently they could not imagine how to reverse the process. When I opened the main cage door for them they both gratefully zoomed back in and huddle din front of their Main Mirror, discussing their strange adventure.