Here’s a blend that will have your feathered friends cooing with delight! The Versele-Laga Colombine Grit + Redstone Bird Supplement helps support regular digestion with a tasty mix of oyster shells, charcoal and anise seeds. This mixture provides your pigeons with a balanced source of minerals and trace elements. All of these quality ingredients have been washed and sterilized—perfect for caring for your pigeon pals!