Bird food or bird seed is food intended for consumption by wild, commercial, or Pet bird. It is typically composed of seeds, nuts, dry fruits, flour, and may be enriched with vitamins and proteins.
Bird food can vary depending upon dietary habits and beak shapes. Dietary habits refer to whether birds are naturally Omnivore, carnivore, herbivore, insectivore or nectarivore. The shape of the beak, which correlates with dietary habits, is important in determining how a bird can crack the Seed-coat and obtain the meat of the seed.
Black-oil Sunflower seed attract the widest variety of birds and are commonly used in backyard bird feeders. Using a variety of seeds can help attract specific types of birds to gardens and backyards. In general, mixtures predominantly containing Proso millet, Oat, and other "fillers" are not attractive to most birds. These mixtures can lead to waste as the birds sort through the mix, and can potentially result in Fungal growth and bacterial growth.
While popular, carry potential risks for the birds that feed from them, including disease, malnutrition, and predation by animals. Researchers recommend that bird feeders should be disinfected every time they are refilled.
When feeding wild birds, the Royal Society for the Protection of Birds (RSPB) suggests that it be done year-round, with different mixes of nutrients being offered each season. The RSPB also recommends additional fat content in the winter months, and additional proteins in the form of nuts, seeds, and dried worms in summer, when birds are changing their plumage and may be moulting.
Although bread and kitchen scraps are often fed to Duck and , this is strongly discouraged as this can cause angel wing disease. Chicken are commonly fed maize, wheat, barley, sorghum, and milling in a mixture traditionally called chicken scratch.
Bird foods based on seeds and non-seed supplies are commonly obtained as By-product on farms, but can also be bought from independent retailers.
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