1. Department of Biology, Acadia University, Wolfville, NS B4P 2R6, Canada.
2. Canadian Wildlife Service, Environment and Climate Change Canada, Gatineau, QC J8Y 3Z5, Canada.
3. Department of Geography, Memorial University of Newfoundland, St. John’s, NL A1C 5S7, Canada.
4. Department of Ecology and Evolutionary Biology, University of Toronto, Toronto, ON M5S 3B2, Canada.