In recent years, experts have discovered more far-reaching effects of vitamin D deficiency. In 2009, researchers from the University of Missouri-Columbia found that insufficient levels of vitamin D are associated with inflammation, an immune system response that can cause fluid buildup and swelling.
1 of 19 Facebook Pinterest. Feeding birds comes naturally when you grow trees and shrubs with nutritious berries. The plants you'll find in this slideshow do double duty: They attract birds and create a beautiful display with their flowers, fall colors, and fruits adding sparkle to your landscape. 2 of 19 Facebook Pinterest.
1 Other birds tend to grab food and eat it away from the feeder. 2  These birds include chickadees, titmice, nuthatches, and woodpeckers. 3  They prefer black-oil sunflower and shelled peanuts split in half (whole peanuts). 4  Choose white proso millet for ground-feeding birds, such as juncos and sparrows, towhees, and doves.etting up a bird feeder to feed wild birds can give you a chance to observe wild birds at a closer distance, see different kinds of birds, and learn more about your local birds in an enjoyable way. It's certainly a terrific way to expose your children to the world of birds.