Actually many little birds told me. That is, they told me that I need to refill the bird feeder with bird seed. These tiny birds are just mobbing the feeder. We fill this feeder every three days and it is not a small feeder. Not that I mind very much. I delight in seeing the White-breasted Nuthatches, Carolina Chickadees, House Finches, Northern Cardinals, and Tufted Titmice that are now regulars at the feeder.
I also see one of the Red-headed Woodpeckers at the feeder. I am no longer seeing any Red-winged Blackbirds or Brown-headed Cowbirds here at the feeder. One bird that does not eat seed is the Eastern Bluebird. I am showing a youngster that is just now turning orange and blue. Bluebirds eat insects and are a wonderful bird to have here. I took these pictures from my living room window and from the yard on August 28, 2012. Please click on the thumbnail image to see the larger picture. Enjoy!