Vitamin rich fruits, vegetables & nuts. 100% Complete nutrition. Hartz Nutrition Bonanza Parrot & Other Large Hookbill Gourmet Diet is the ultimate parrot diet. Using our extensive knowledge of bird care developed from years of research, we have created Hartz Nutrition Bonanza Parrot & Other Large Hookbill Gourmet Diet. Hartz Nutrition Bonanza Parrot & Other Large Hookbill Gourmet Diet is a nutritious blend of tasty, wholesome ingredients, including quality grains, seeds, nuts, fruits, and vegetables. Vitamin and mineral enriched pellets are also added to ensure a complete balanced diet. Reward your pet with this highly palatable gourmet diet of carefully selected ingredients.