re: What type of ducks are these?

My dad feeds them and they have 100+ show up every evening. They are real fun to watch. They circle 3 or 4 times then start landing in his oak and pine trees. Then, a couple drop in and before you know it they are falling out of the sky with brakes on to the cracked corn. Always have 2 or 3 on the outskirts on lookout duty and 1 or 2 feisty ones that snap at the others to get to the food.

Last year he made this Wiley Coyote style trap and caught a few. Rang a six pack of necks for a Sunday smoked duck supper, and one was banded. I don't think he ever called it in though.