Research Interests:

Ecology of amphibians and reptiles, especially snakes and their population ecology and life-history variation, feeding ecology, defensive behaviour, movements and habitat use, thermal ecology, application of ecological research to conservation and management.

International activities:

• 2008 Distinguished Herpetologist, Herpetologists’ League
• 2006 Blue Racer Award, Canadian Amphibian and Reptile Conservation Network
• 2003-present Associate Editor, Ecoscience
• 2001-present Sharptail Snake Recovery Team
• 1996-2000 Scientific Advisory Committee, World Wildlife Fund Canada/Canadian Wildlife Service, Endangered Species Recovery Fund
• 1991-2010 Committee on Status of Endangered Wildlife in Canada (Subcommittee on Amphibians and Reptiles)

Selected Publications

Tuttle, K. N., and P. T. Gregory. 2009. Food habits of the plains garter snake (Thamnophis radix) at the northern limit of its range. Journal of Herpetology 43: 65-73.

Gregory, P.T. 2009. Northern lights and seasonal sex: the reproductive ecology of cool-climate snakes. Herpetologica 65: 1-13.

Constible, J. M., P. T. Gregory, and K. W. Larsen. 2009. The pitfalls of extrapolation in conservation: Movements and habitat use of a threatened toad are different in the boreal forest. Animal Conservation 13: 43-52.

Gregory, P. T. 2011. Temporal dynamics of relative-mass variation of red-sided garter snakes (Thamnophis sirtalis parietalis) at a communal hibernaculum in Manitoba. Ecoscience 18: 1-8.