1. J. R. Shave ✉ (shave1@ualberta.ca) and A. E. Derocher, Dept of Biological Sciences, Univ. of Alberta, Edmonton, AB, T6G 2E9, Canada.
2. S. G. Cherry, Parks Canada Agency, Radium Hot Springs, BC, Canada.
3. D. Fortin, Dépt de biologie and Centre d'étude de la Foret; Univ. Laval, Québec, QC, Canada.