Backyard Seeds Striped Sunflower Seed is larger than Black Oil Sunflower and has a thicker shell. Larger birds such as Cardinals, Jays, Woodpeckers and Grosbeaks have no problem breaking through the bigger shells and getting to the nutritious meat inside. Chickadees, Titmice and nuthatches are small birds that are also able to open Striped Sunflower shells.
Striped Sunflower Seeds are a nutritious seed that contains protein, carbohydrates, fat and have a high oil content.
