
Is the woodpecker attracted to vertical cylinders, even if they are cold and smooth? If this had been a rectangular prism, would it have tried to drill? Why did it take so long to give up? Bird brain!
Update: Kit, in the comments, writes: “Many woodpeckers “drill” as a signal to others. In our area, the northern flickers often find something metallic to hammer on as a display. So maybe this acorn woodpecker isn’t after food, but is magnifying his voice.” Thank you, Kit!









