My bird feeder attracts mostly house sparrows. In large numbers. They are quite aware that I feed them, and when I'm late filling the feeder they perch nearby expectantly, perhaps even resentfully. I watch them fight, and they never seem to warm to me. They rarely come to the feeder if I am in the yard. I think they rather take me for granted, at least as far as the food goes. For some reason I love them.