Trees provide food, dens, and nest sites for wildlife, but some trees are more useful to animals than others. Once you find trees that provide the most value to wildlife, you can cut adjacent trees to give the remaining ones more room to grow.
This 9-page page document describes which trees to favor – and which to remove – when choosing crop trees. It gets fairly technical, so it’s best suited for someone with knowledge of forest management or as a piece to discuss with your consulting forester.
New York's bluebird population has dropped 90% due to pesticides, shortage of natural nesting cavities, and competition from sparrows and starlings. You can help! Install a bluebird nesting box on your woodlot so these colorful songbirds can raise their families.