1. Nelson Institute for Environmental Studies, University of Wisconsin-Madison, 122 Science Hall, 550 North Park Street, Madison, Wisconsin 53706, USA
2. International Crane Foundation, E11376 Shady Lane Road, Baraboo, Wisconsin 53913, USA
3. Conservation Sciences Graduate Program, 135 B Skok Hall, 2003 Upper Buford Circle, St. Paul, Minnesota 55108, USA
4. Department of Ecology and Evolutionary Biology, Vietnam National University HCMC, 227 Nguyen Van Cu, District 5, HCMC, Vietnam