The US Southwest is especially rich in avian life, and active bird-feeding stations are great places to observe fascinating inter- and intra-species interactions. Common birds like Acorn Woodpeckers, Anna's Hummingbirds, Stellar's Jays, Black-headed Grosbeaks, and Lesser Goldfinches are especially colorful regulars among an ever-changing cast of species. Attracting a wide variety of birds to your yard doesn't happen by accident--the right feeder setup...