It is typically composed of seeds, nuts, dry fruits, flour, and may be enriched with vitamins and proteins.
Dietary habits refer to whether birds are naturally omnivores, carnivores, herbivores, insectivores or nectarivores.
These mixtures can lead to waste as the birds sort through the mix,[5] and can potentially result in fungal and bacterial growth.
[13][9] Although bread and kitchen scraps are often fed to ducks and gulls, this is strongly discouraged as this can cause angel wing disease.
Bird foods based on seeds and non-seed supplies are commonly obtained as by-products on farms, but can also be bought from independent retailers.