I remember when I was a kid, and the only birds we could decoy were Cans, and you couldn't shoot one. That really sucked. They would land in the decoys. Flock after flock 15-30 birds at a time... It was cool to watch, but that's about it. lol
We had 5 bluebills sit on the pond we were goose hunting all morning Saturday, and all 5 appeared to be very well fed, fat and happy. They didn't flush or spook even with the dog running around every so often, or us getting up out of the blind and walking around, picking up decoys, etc. They just contently swam around on the other end of the pond, diving periodically, and minded their own business. I was mostly just shocked to see bluebills in the Greensboro area.