Harrisons' Pet Products' Omega-3 Sunshine Factor comes in 1-oz. sizes for birds and small animals. Formulated with a blend of sustainable red palm fruit and perilla seed oils, the product provides 2,400mg omega-3 fatty acids per tablespoon to help balance the pet's diet, the company stated. It also comes in 4-oz., 16-oz., 64-oz. and 1-gal. jars for all animal sizes.