Cheri L. Gratto-Trevor

Research Scientist - Shorebirds

Current research and/or projects

Contributing to Environment Canada’s mandate to ensure wildlife is conserved and protected

  • Survival, movements and productivity of Saskatchewan Piping Plovers, an Endangered species at risk
  • Use of managed versus natural wetlands by temperate breeding shorebirds
  • Productivity and survival of Marbled Godwits and Western Willets in Alberta
  • Effects of climate change on arctic and temperate breeding shorebirds
  • Connectivity of shorebird populations, changes in abundance, and factors affecting survival and productivity

Professional activities / interests

Conference presentations at ornithology meetings and workshops (e.g., American Ornithologists Union, Society of Canadian Ornithologists) and collaborations with researchers worldwide

Participation in bird conservation committees, including the Committee on the Status of Endangered Wildlife in Canada, Canadian and U.S. Shorebird Conservation Plans, Prairie Habitat Joint Venture ‘All’ Bird Working Group, Piping Plover and Eskimo Curlew Recovery Teams, Marbled Godwit, Long-billed Curlew and Red-necked Phalarope Working Groups, and the CWS/S&T Shorebird Technical Committee

Research grant and journal paper reviews, and responding to queries from researchers, managers, graduate students, and the public about shorebird conservation, priorities, research needs, and capture and marking techniques

Education and awards

Fellow: American Ornithologists' Union (since 2006)

Ph.D. (shorebird hormones), University of North Dakota, 1989

M.Sc. (shorebird biology), Queen’s University, 1983

Key publications

Gratto-Trevor, C. L. 2006. Upland Nesting Prairie Shorebirds: Use of managed wetland basins and accuracy of breeding surveys. Avian Conservation and Ecology 1(2):2(18 pp.).

Gratto-Trevor, C. L. 2004. The North American Bander’s manual for banding shorebirds. North American Banding Council Publication Committee, P.O Box 1346, Point Reyes Station, CA, USA.

Gratto-Trevor, C. L., G. Beyersbergen, H. L. Dickson, P. Erickson, R. MacFarlane, M. Raillard and T. Sadler. 2001. Prairie Canada shorebird conservation plan. Prairie Habitat Joint Venture, Canadian Wildlife Service, Edmonton.

Gratto-Trevor, C. L. 2000. Marbled Godwit (Limosa fedoa). In The Birds of North America, No. 492. (A. Poole and F. Gill, eds.). The Birds of North America, Inc., Philadelphia, PA.

Hitchcock, C. L., and C. L. Gratto-Trevor. 1997. Diagnosing a shorebird local population decline with a stage-structured population model. Ecology 78: 522-534.

Gratto-Trevor, C. L. 1991. Parental care in Semipalmated Sandpipers Calidris pusilla: brood desertion by females. Ibis 133: 394-399.

Research facility

115 Perimeter Road
Saskatoon, SK S7N 0X4


Member, Bird Subcommittee of Committee on the Status of Endangered Wildlife in Canada (COSEWIC)

Member, Steering Committee for the Program for Regional and International Shorebird Monitoring (PRISM) Group

Member, Prairie Habitat Joint Venture (PHJV) Landbird, Shorebird, Waterbird Working Group