Find Snags and Cavity Trees

Many North American animals depend on dead trees and tree cavities. A lack of suitable cavities often limits how many of these animals can use your woods. This slideshow gives examples of North American creatures that depend on cavities for homes and nests.

Wildlife biologists advise that you have at least six cavity trees per acre. If you don’t have that many, you can create tree cavities using a cordless drill and this advice from the Cornell Lab of Ornithology.