No bird food attracts more species of birds than Jim's Birdacious® Bark Butter®. Created by Jim Carpenter, founder of Wild Birds Unlimited, Bark Butter is a spreadable suet that can be easily smeared on tree bark or a Bark Butter Feeder.
Visit www.wbu.com/bark-butter-list to see the list of over 150 bird species that Bark Butter can attract.