Learn how to build a purple martin birdhouse. These purple martin house plans create stackable floors to accommodate a growing colony, year after year. Some things are just intrinsically appealing ...

For generations, the sight of purple martin houses dotting American backyards ... the extent of commitment required. These aren’t simple birdhouses you can mount and forget.

“I sent in for the plans, and a friend and I built a house ... But that’s as far as I go with birding.” The purple martin house on McGovern’s property beside the Kennebunk River has ...