Active bird-feeding stations across the US Northwest offer continuous opportunities for observing the nuances of bird behavior. Common species like Stellar's Jays, Black-headed Grosbeaks, Golden-crowned Sparrows, and Rufous Hummingbirds are colorful standouts among a rotating cast of visitors that changes throughout the seasons. Attracting a wide variety of birds to your yard doesn't happen by accident--the right feeder setup goes a long way. To help...