1. C. A. Smereka (https://orcid.org/0000-0002-1216-4622) ✉ (casmerek@ualberta.ca) and A. E Derocher, Dept of Biological Sciences, Univ. of Alberta, Edmonton, AB T6G 2E9, Canada.
2. P. F. Frame, Alberta Environment and Parks, Edmonton, AB, Canada.
3. M. A. Edwards, Dept of Renewable Resources, Univ. of Alberta, Edmonton, AB, Canada, and: Royal Alberta Museum, Edmonton, AB, Canada.
4. D. D. Frame, Alberta Environment and Parks, Spruce Grove, AB, Canada.
5. O. M. Slater, Dept of Ecosystem and Public Health, Univ. of Calgary, Calgary, AB, Canada.