1. Department of Environmental and Forest Biology State University of New York College of Environmental Science and Forestry 1 Forestry Drive Syracuse NY 13210 USA
2. Wildlife Division, Oregon Department of Fish and Wildlife 4034 Fairview Industrial Drive SE Salem OR 97302 USA
3. Marine Mammals Management, United States Fish and Wildlife Service 1011 E. Tudor Rd Anchorage AK 99503 USA
4. Division of Fish, Wildlife, and Marine Resources, New York State Department of Environmental Conservation 625 Broadway Albany NY 12233 USA
5. Roosevelt Wild Life Station, State University of New York College of Environmental Science and Forestry 1 Forestry Drive Syracuse NY 13210 USA