Kaytee Walnut Pet Bird Litter Pin by Juliana Defanti on cartoon inspo Powerpuff, Powerpuff girls. Kaytee Walnut Pet Bird Litter is made from all natural, crushed walnut shells. This litter is incredibly easy to clean and will not stick or cling to cages like other litters, and makes an excellent non contact bedding for all types of pet birds. Extra clean litter for a healthier pet home Easy to clean, non contact bedding Made with natural crushed walnut shells Walnut Litter provides moderate absorbency and odor control with minimal dust. Note: Use only in cages with grate separating litter from birds. Due to possible health concerns from potential bird ingestion, Walnut Litter should not come in direct contact with birds. Ingredients: Natural Crushed Walnut Shells.