Chirp Max Attract More Cardinals wild bird food is a simple but powerful blend featuring cardinals' two favorite foods - black oil sunflower seeds and safflower seeds. This sensational seed duo is loaded with healthy fat and protein to keep your cardinals energized and coming back for more all year long. A cardinal-preferred blend that will keep them coming back for more A 1-2 combo of sunflower and safflower Offers a high fat meal for sustained energy