close up open birdfeeder with sunflower seeds, grass, bag of bird food

attract attracted attraction aves avian back background bag behavior bird birdfeeder birds black bokeh clean cleaning close contaminate contamination covered deaths demand disease dried eat entertainment exterminate feed feeding flocks food gathering goods grass green how lawn meal metal nuisance oil open pantry predator prevention prey products revealing sanitize seed seeds set sharing song stage stands station stores sunflower supplement supply textured tiny top unsightly wash yard yourself