I can't help but notice. One of my bird feeders hangs just outside the window where if I look to my right I can watch them easily.
Usually the first hint of a bird at the bird feeder is the noise. I hear the twitter of a finch or soft tweet of a chickadee.
I recently bought a new camera - a Kodak EasyShare Z712. Have been taking many pictures with it (or trying to). It has a nice 12x optical zoom that allows you to zoom up close without undue disturbing of the birds.
Here's a picture of a chickadee at my bird feeder:
Here's a picture of a chickadee at my bird feeder:
I also managed to catch a nuthatch and a chickadee bathing at the birdbath:
Yes, the camera takes really nice pictures!