About the Author

RICHARD M. DeGRAAF, Leader of the U.S. Forest Service Wildlife Habitat Research Unit at Amherst, Massachusetts, since 1978, has conducted field research on forest wildlife in New England for over 25 years, and has published over 140 journal and technical papers and 7 books, including three coauthored works: Conservation of Faunal Diversity in Forested Landscapes (1996), Neotropical Migratory Birds (1995), and Trees, Shrubs, and Vines for Attracting Birds (1979). MARIKO YAMASAKI, Research Wildlife Biologist with the U.S. Forest Service in Durham, New Hampshire, has over 20 years of experience in wildlife habitat research and management on forest wildlife, including bats, in the Lake States and New Hampshire's White Mountains. She is coauthor of New England Wildlife: Management of Forested Habitats (1992).