1. Wildlife and Landscape Directorate,
Science and Technology Branch, Environment Canada, National
Wildlife Research Centre, Carleton University, Ottawa, ON, K1A 0H3, Canada
2. Department of Chemistry, Carleton University, Ottawa, ON, K1S
5B6, Canada
3. Cooperative Wildlife
Research
Laboratory and Department of Zoology, Southern Illinois University Carbondale, Carbondale, Illinois 62901, United
States