Spicebush (Lindera benzoin; Zones 4-9), sometimes called northern spicebush, is a lovely, native American woodland shrub that thrives in partial shade, such as it would have at the edge of a forest clearing. Spicebush grows to 10 feet tall, with pretty, teardrop-shaped leaves 2 to 5 inches long.
If you have the space, establishing a "minimeadow" as a border or boundary area is another effective way to attract birds, as well as beneficial insects. Native plants like goldenrod, sunflower, and coneflower supply nectar for butterflies and, in fall, produce seeds for birds to enjoy. Make sure you have a sunny site—and can tolerate a weedy look at the edge of your property.
Nectar-rich Natives for Hummingbirds » Not all of these are waterwise, and some are annuals (great for filling space while the perennials are establishing and far from mature size), but native is a great secondary feature to use in your garden.