If you've had the distinct pleasure of regularly observing bird feeders in the US Northeast, you'll know that time can seem to stand still as you get immersed in the comings and goings of common visitors like White-throated Sparrows, American Goldfinches, Tufted Titmice, and Dark-eyed Juncos. Every season is different and offers unique glimpses into the busy lives of familiar species. Attracting a wide variety of birds doesn't happen by accident--the...