Product Description Energy balls are an extremely popular garden bird feed source and containing only high quality energy balls, this product is ideal volume users. Ideally fed using an energy ball feeder providing birds with a high energy treat. These suet energy balls can be fed to birds that visit your garden all year round. Seeds have been added to the suet found in these balls to increase their nutritional value. Attracts the UK's top 10 garden birds. This bird seed mix can be fed to birds that visit your hanging bird feeder, bird table or ground feeder.