Great Value Canary and Finch Food has been formulated as a 100% complete and balanced diet for domestic canaries and finches. Enhanced with carefully selected canary grass seeds, canola seeds, millet finch millet, nyjer seeds, flax seeds and mineral oil providing a healthy food source. Birds are creatures of habit, it is important to maintain a regular pattern of feeding, keeping the feeder full always and establishing a constant domestic location is necessary. Canaries and finches have very specific dietary requirements and should only be fed food that has been specifically formulated for them.