I started buying hulled sunflower seeds at Wal-Mart but they eat them up fast and I am out. Last time I was in MFA I bought 50 pounds of corn chops for about $6. That is all I have on hand. It seems to be attracting plenty of birds but I am not sure it is good for them. I guess corn is better that nothing. I am just throwing it on the ground. I hope they eat it up before it gets moldy. With the temps tonight and tomorrow, I doubt that is a problem.