1. Florida Fish and Wildlife Conservation Commission, Fish and Wildlife Research Institute; Lovett E. Williams Jr. Wildlife Research Laboratory; 1105 SW Williston Road Gainesville FL 32601 U.S.A.
2. School of Forest Resources and Conservation; University of Florida; 214 Newins-Ziegler Hall, P.O. Box 110410 Gainesville FL 32611 U.S.A.
3. Department of Natural Resources and Society; University of Idaho; 875 Perimeter Drive MS 1139 Moscow ID 83844-1139 U.S.A.
4. School of Natural Resources and Environment; University of Florida; 110 Newins-Ziegler Hall, P.O. Box 110430 Gainesville FL 32611 U.S.A.