Stephen DeStefano, Ph.D.

Stephen has been associated with the Cooperative Research Unit program in some way since 1974, including Units in Massachusetts (1974-78, field assistant on projects as an undergraduate), Wisconsin (1978-84, MS and post-MS), Idaho (1984-89, PhD), Oregon (1990-94, post-Doc), Arizona (1994-99, Assistant Leader), and Massachusetts (1999-present, leader).


Only Stephen's five most recent publications are shown here. For more information about Stephen, including a full publications list, visit his profile page on the Massachusetts Cooperative Fish and Wildlife Research Unit web site. 

Stephen also can be reached at his University of Massachusetts email address:


  • Oregon State University 1994
  • Ph D University of Idaho 1989
  • MS University of Wisconson 1982
  • BS University of Massachusetts 1978

Research Interests

Stephen has a broad base of research experience on population ecology and habitat relationships of terrestrial and semi-aquatic wildlife, including birds (waterfowl and other waterbirds such as rails and loons, gallinaceous birds, raptors, corvids) and mammals (beavers, carnivores, ungulates), ranging from threatened and endangered species to abundant and overabundant species. He has focused on issues related to urban/suburban wildlife, forest wildlife, and human-wildlife interactions. Conservation of large landscapes as informed by the spatial requirements of large animals such as moose, bears, and bobcats is a major goal of his current research program.

Teaching Interests

For the past 10+ years, Stephen has been teaching Research Concepts to all incoming MS students (and a few PhD candidates) in the Department of Environmental Conservation. They discuss the history and philosophy of science, setting up research questions and hypotheses, and basic research concepts and study design. Throughout the semester the students work on a draft proposal for their graduate research.