Gourmet Cat Food Entree This tuna-based gourmet meal offers your purring partner the taste they crave with an extra added treat—olive. Why olive, you ask? Olives contain an ingredient similar to catnip. This may cause your cat to become more playful, silly, or rambunctious. Birdie & Louie Tuna and Olives formula is an easy way to treat your feline to balanced and complete nutrition, with an extra pinch of fun! Certified dolphin safe. Zero by-products. Ecologically responsible brand. Grain-free formula. Heart healthy. Complete & balanced according to AAFCO standards for all stages of life.