Bill Danielson is a graduate of the University of Massachusetts at Amherst, where he earned a master's degree in wildlife biology. In his career as a naturalist and environmental researcher, he has worked as a law enforcement ranger for the National Park Service, a wildlife biologist for the U.S. Forest Service, a preserve steward for the Nature Conservancy, a field biologist for several research projects throughout the eastern half of North America, and a park interpreter and park ranger for the Massachusetts Department of Environmental Management. For the past six years he has taught biology, chemistry, and physics at Pittsfield High School in Massachusetts. His "Speaking of Nature" column is published weekly in the Albany Times Union and the Recorder of Greenfield, Massachusetts. He currently lives in Altamont, New York.