Gardman Mealworm Plus is ideal for attracting Robins, Starlings, Blue Tits, Great Tits, House Sparrows, Dunnocks & other speicies. The ultimate complete food, a mix of energy & protein rich mealworms, sunflower hearts & bogena. Bogena is a nutritious mix of seeds, fruits, insects, oils, fats & minerals, which will appeal to a wide range of garden visitors.