Thomas E. Burke

Thomas E. Burke, a retired U.S. Forest Service Wildlife Biologist, has worked extensively with terrestrial mollusks, on the Northwest Forest Plan Survey and Management Program's mollusk taxa team, in annual species reviews, and in developing management recommendations. William P. Leonard is an toon meer experienced wildlife photographer and biologist who has authored other field guides, including Reptiles of Washington and Oregon and Amphibians of the Pacific Northwest. toon minder