Rspb table seed mix is formulated to attract a wide variety of wild birds to you bird table or ground feeder. especially appealing to robins, finches, house sparrows and blackbirds the mix contains black and striped sunflower seeds, sunflower hearts, husk-free oats, kibbled maize and wheat.. We have carefully selected only high-quality seeds and seed mixes to help keep your birds fit and healthy throughout the year. we also source most of our ingredients responsibly with fair to nature. help keep your birds fit and healthy throughout the year. Rspb table mix bird seed is available in a 5.5kg sack and contains black and striped sunflower seeds, sunflower hearts, husk-free oats, kibbled maize and wheat. it's ideal for table or ground feeding and is loved by wild birds like robins, finches, sparrows and blackbirds..