Past Paul L. Errington Memorial Lectures
- 2008: Dr. Debra Peters, New Mexico State University, "Continental-Scale Ecology in a Connected World"
- 2007: Dr. John Wiens, The Nature Conservancy, "From Wilderness to Wal-Mart: The Evolution of Conservation Philosphy and Practice"
- 2006: Dr. Joy Zedler, University of Wisconsin-Madison, "Invasive wetland plants: How we learn their secrets"
- 2005: Dr. James Karr, University of Washington, "Ecological and Social Health: It Matters What We Measure"
- 2004: Dr. James Estes, USGS, Western Ecological Research Center, Santa Cruz, CA, "Large Carnivores and Nature's Balance"
- 2002: Dr. Michael Dombeck, University of Wisconsin - Stevens Point, "Conservation Challenges for a New Century: Where Do We Go from Here?"
- 2001: Dr. Jared Diamond, University of California - Los Angeles, "Guns, Germs and Steel: how the modern world came to be"
- 2000: Dr. Kenneth Armitage, University of Kansas, "The Evolution of Sociality in Marmots: it all begins with hibernation"
- 1999: Dr. Rolf O. Peterson, Michigan Technical University, "Wolves and Moose: the balance of nature at Isle Royale"
- 1998: Dr. Fred Wagner, Utah State University, "Science and Policy-setting for Public Lands: The Need for Public Process in Yellowstone and Other National Parks"
- 1997: Dr. P. Dee Boersma, University of Washington, "The Use and Abuse of Science: Controversy over the Lasting Impacts of the Exxon Valdez Oil Spill"
- 1996: Dr. E. O. Wilson, Harvard University, "The Diversity of Life"
- 1996: Dr. Terry L. Root, University of Michigan, "People, Pigeons, and Politicians: Why should we be concerned about global climate change?"
- 1995: Dr. Glen E. Woolfenden, University of South Florida, Archbold Biological Station, "Fire and Conservation of the Florida Scrub Jay"
- 1994: Dr. Michael Rosenzweig, University of Arizona, "The Geographical Signal in Species Diversity"
- 1993: Dr. Ronald Pulliam, Director of the Institute of Ecology, "Ecology, Economics and the Limits to Human Population Growth"
- 1992: Dr. Wes Jackson, The Land Institute, "On Becoming Native to This Place"
- 1991: Dr. E. Charles Meslow, Oregon Cooperative Wildlife Research Unit, "Spotted Owl Conservation: Biology and Politics"
- 1990: Dr. Mercedes S. Foster, U. S. Fish and Wildlife Service, "Social Systems in Manakins, Jewels of the Tropical Forest"
- 1989: J. Larry Landers, Tall Timbers Research Station, "Fire in North American Wildlands: A Need for Decision"
- 1988: Dr. Doug B. Houston, National Park Service, "Managing National Parks in the 21st Century: Can We Find Our Way?"
- 1986: Dr. Dale McCullough, University of California-Berkeley, "Ecology of the White-tailed Deer: Fifty Years Later"
- 1985: Dr. Paul Ehrlich, Stanford University, "Nuclear Winter"
- 1984: Dr. Norman Myers, Oxford, England, "The Sinking Ark: Environmental, Economic, and Political Solutions to the World Wildlife Crisis"
- 1983: Dr. Fred Cooke, Queen's University, "Long-Term Studies of Snow Geese in the Arctic"
- 1982: Dr. John J. Magnuson, University of Wisconsin-Madison, "A Second Look at Lakes: As Islands"
- 1981: Russell W. Peterson, National Audubon Society, "The Accumulating Threats to Life"
- 1980: Dr. Maurice Hornocker, University of Idaho, "Mountain Lion and Wolverine Research in Wilderness Labs"
- 1979: Dr. Roger S. Payne, New York Zoological Society, "Voices in the Sea: Communication Among Whales"
- 1978: Dr. A. Starker Leopold, University of California-Berkeley, "Australian Wildlife: Some Conservation Dilemmas"
- 1977: Dr. George B. Schaller, New York Zoological Society, "The Serengeti Lion"
- 1976: Dr. Valerius Geist, University of Calgary, "A Naturalist Footloose in Anthropology"
- 1975: Dr. L. David Mech, U.S. Fish and Wildlife Service, "Wolf Ecology in Minnesota"
- 1974: Dr. Arthur D. Hasler, University of Wisconsin, "Olfactory Imprinting and Homing in Salmonid Fishes"
- 1973: Mr. Gordon Gullion, University of Minnesota, "An Ecological Basis for Ruffed Grouse Management"
- 1972: Mr. Robert Ardrey, Author and Lecturer, "Population Control"
- 1971: Dr. Clarence Cottam, Welder Wildlife Foundation, "America's Endangered Species--Why be Concerned and What Can Individuals Do About It"
- 1970: Mr. William H. Stickel, U.S. Fish and Wildlife Service, "Recent Research on the Effects of Persistent Pesticides on Birds"
- 1969: Dr. Homer S. Swingle, Auburn University, "Man and His Future"
- 1968: Mr. Frank C. Bellrose, Jr., Illinois Natural History Survey, "Investigating the Physical Nature of Bird Migration"
- 1967: Dr. Dennis H. Chitty, University of British Columbia, "Speculation and Scholarship-- the Peter and Paul of Scientific Investigation"
- 1966: Dr. Frederick Hamerstrom, Wisconsin Conservation Department, "The Prairie Cock: A Symbol"
- 1965: Dr. Walter Breckenridge, University of Minnesota, "Island Treasure"
- 1964: Dr. Durward L. Allen, Purdue University, "Wolves and Moose of Isle Royale"

