Don't overcrowd an area with nest boxes. Most cavity_nesting birds defend territories, so don't overcrowd an area with nest boxes for a single species. Usually, nest boxes should be placed 50 feet or more apart. Swallows, however, will tolerate neighbors and will sometimes nest in “apartment” birdhouses. Build your nest box so that it is easily maintained: Construct the birdhouse with a roof or floor that can be easily removed so that you can reach inside to clean it. Maintain your nestboxes: Nest boxes should be cleaned out each spring and disinfected to prevent the spread of avian diseases. Be sure to dry the inside and (if necessary) add fresh, dry sawdust or woodchips.
Spruce and hemlock trees provide excellent cover; birch, willow, and alder provide natural seed sources, and some berry_producing plants attract birds that rarely come to feeders. A brush pile also can provide cover for some birds. For more information, read "Landscaping for Wildlife in Alaska." Types of Feeders and Where to Place Them: Different birds prefer different sorts of feeders and locations, so to get the most variety of birds, use two or more feeders. A suet feeder on a tree and a window_ or tray_feeder for seeds is the simplest combination. The feeders shown below are just examples; use your imagination to design feeders that match the landscape and architecture of your home.