Dr. Harvey'S Colossal Cockatiel Blend Natural Food For Cockatiels, 4-Pound Bag All-Natural-Made In The Usa Promotes Optimal Wellness In Cockatiels Contains No Dyes, Preservatives, Chemicals Or Synthetic Ingredients Has The Variety Of Seeds, Nuts, Vegetables, Fruits And Herbs That Birds Need Promotes Longevity And Beautiful Plumage