1. School of Environmental and Forest Sciences, Univ. of Washington Seattle WA USA
2. Wildlife Investigations Lab, California Dept of Fish and Wildlife Rancho Cordova CA USA
3. British Columbia Fish and Wildlife, Ministry of Forests, Lands, Natural Resource Operations and Rural Development Williams Lake BC Canada
4. Panthera New York NY USA
5. Dept of Biological Sciences, Florida International Univ. North Miami FL USA
6. Institute of Environment, Florida International Univ. FL USA
7. Global Trophic Cascades Program, Dept of Forest Ecosystems and Society, Oregon State Univ. Corvallis OR USA