You only know one impression, but you know it very well. With the utmost authenticity, you stand perfectly still on your hind legs with your nose pointed into the air. You do not move even an inch. It is difficult to keep that composure. You are, of course, doing your best impression of a tree, but the baby bird does not seem to get it. It simply stares at you for a moment and then moves its eyes toward the ground.
You choose to…