Wagner's Safflower Seed - Cardinals love it, most squirrels don't. Wagner's Safflower Seed is a great way to attract the birds you want - Cardinals, Chickadees, Titmice, Grosbeaks - and discourage the "feeder hogs", like Grackles and Starlings, that keep them away. And best of all, squirrels generally don't like the bitter taste so they will stay away as well. If you have unwanted birds and squirrels crowding out your songbirds we recommend gradually filling your feeder with Wagner's Safflower Seed for a period of time, then gradually mixing in your favorite Wagner's Premium Wild Bird Food. Wagner's Safflower Seed is truly a premium, high value seed not found in ordinary blends. So give the Cardinals their favorite seed and keep the pests away at the same time, with Wagner's Safflower Seed. Trust your backyard birds to the experts at Wagner's.