1. School of Aquatic and Fishery Sciences, University of Washington Seattle WA USA
2. Ecology Department Montana State University Bozeman MT USA
3. The Cook Inlet Beluga Whale Photo‐ID Project Anchorage AK USA
4. Marine Mammal Laboratory, Alaska Fisheries Science Center NOAA, NMFS Seattle WA USA
5. Center for Research into Ecological & Environmental Modelling St Andrews UK
6. U.S. Geological Survey, Washington Cooperative Fish and Wildlife Research Unit School of Aquatic and Fishery Sciences & School of Environmental and Forest Sciences, University of Washington Seattle WA USA