This morning I was woken by a bird outside my window. So as I lay there listening no sound. I soon drifted off to sleep and once again I heard the bird and I again listened, no sound came from the bird. How did the bird know that I was listening? Or was I just having sound hallucinations. I drifted off two more times, finally I was awake enough to realize it was my own nose whistling. Previously, I was running the old wood chipper and still haven't got all the stuff out. I was ready to get out my shotgun and blow that dumb bird away. When it was me that needed the blow. Eat your heart out Bacall, I do know how to whistle.