Want birds to do more than visit your backyard? Give them a place to raise a family. Learn how native trees, dense shrubs, natural cavities and properly designed nest boxes work together to create safer backyard nesting habitat.

Where should you hang a nest box? How big should the entrance hole be? Are gourds better than martin houses? Learn the essential nest box facts that help cavity-nesting birds stay safe and raise successful broods in your backyard

Purple Martins are the only North American songbird that now depends entirely on humans for nesting (with some groups in the southwest still nesting in natural cavities). Learn where they live, what habitat they need, how to set up proper housing, and why monitoring for predators and invasive species is essential to helping this remarkable bird survive and thrive.

Purple Martins now rely almost entirely on human-provided housing. Learn their habitat needs, house dimensions, and how to monitor and protect thriving colonies.