Birdola Selects is a premium bird diet full of nutritious ingredients and Nutri-Boost, a dietary supplement that provides essential vitamins, minerals and electrolytes. This unique blend contains sunflower and millet seeds with freeze-dried beetle larvae. It attracts cardinals, woodpeckers, wrens, warblers, indigo buntings, towhees, vireos, tanagers and other insect loving wild birds.