Happy Wings Nyjer Seed Wild Bird Food is a premium, oil-rich seed designed to attract wide variety of bird species with extra-clean ingredients and no cheap fillers or artificial chemicals. Sourced from the nutrient-rich soils of India, these tiny seeds are carefully selected for their quality and freshness. Designed for versatility, this high-quality nyjer seed is compatible with both tube and sock feeders (sold separately), making feeding easy and convenient. Processed in a USDA and BRC-GS approved facility, this bird food meets the highest quality and safety standards, including compliance with the Wild Bird Feeding Institute and FSMA regulations.