Guggenheim Fellow, 1976-77
Harvard Fellow, 1976-77
University of Vermont Scholar in the Biological Sciences, 1985
Alexander von Humboldt Senior Scientist Fellowship Award,1988-89 (Federal Republic of Germany)
Lady Davis Fellowship (Jerusalem, Israel) 1992
L.L. Winship Book Award (For In a Patch of Fireweed), 1984.
Burroughs Writing Award (For An Owl in the House), ~ 1991.
Rutstrom Authorship Award for Conservation and Environmental Writing
(For A Year in the Maine Woods), 1996.
Sigma Xi Lecturer, 1995-1997
Outstanding Science Trade Book for Children (By Children’s Books  Council)
Member Vermont Academy of Science and Engineering-1997.
Member Vermont Academy of Arts and Sciences- 1998.
Franklin Fairbanks Award for Contributions of Vermont Culture- 1997.
New England Bookseller’s Award for Nonfiction for 1998.
John Burroughs Medal for Nature Writing (for Mind of the Raven)  2000
Honorary Doctorate, University of Maine, Farmington – 1999
Honorary Master of Philosophy & Human Biology – College of the Atlantic, 2006
Honorary Doctorate, Unity College, Maine 1986 and-2000!
Honorary Doctorate of Humane Letters, St. Michaels College, 2008
National Academy of Arts and Sciences. 2004.
Maine Running Hall of Fame, 1996.
Maine Sportsmen’s Hall of Fame, 2000.
American Ultrarunning Hall of Fame, 2008.
Sterling College Presidential Stewardship Award, 2014.
University of Maine Achievement Award, 2014
Pen New England Book Award for non-fiction, for Life Everlasting- 2013.
Art Exhibits: “The Naturalist as Artist: the Artist as Naturalist”. Fleming Museum, Burlington, VT. and the L C Bates Museum , Good Will- Hinckley School in Fairfield, Maine. 2005