Nearly all pet birds capable of eating seeds relish millet spray. This is especially true of parrots, which tend to be destructive feeders. They enjoy not only eating the millet, but shredding the natural "packaging." Millet spray is particularly useful for behavioral and trick training. It is also very low in fat, which makes it a useful addition to the diet of pet birds that refuse to eat other foods. Many of the seeds included in commercial seed mixes contain excessive levels of fat, which can contribute to obesity and other health problems.