Peckish Complete Energy Bites Filled Feeder. Peckish Complete Suet Bites are high energy suet pellets enriched with peanut and mealworms. Helping to fuel birds for longer. High Energy, no mess, no waste formula that s enriched with peanut and mealworms. Key features High in fat using high quality beef tallow. High energy recipe. No mess, no waste. Calvita Vitamin Mix. Enriched with our unique blend of vitamins and nutrients that garden birds need to stay healthy. Ready to use feeder