| Affiliation: | Wildlife Preservation Trust International, P. O. Box 426, Portal, AZ 85632, U.S.A.,;National Zoological Park, Conservation and Research Center, Front Royal, VA 22630, U.S.A.,;Department of Environmental Science, Policy and Management, 151 Hilgard Hall #3110, University of California, Berkeley, CA 94720, U.S.A.,;Grambling Cooperative Wildlife Project, Grambling State University, P.O. Box 815, Grambling, LA 71245, U.S.A.,;Department of Biology, San Francisco State University, San Francisco, CA 94132, U.S.A.,;San Diego Wild Animal Park, 15500 San Pasqual Valley Road, Escondido, CA 92027, U.S.A.,;Chamela Research Station, Instituto de Biologia, UNAM, Apartado Postal 21, Melaque, Jalisco 48980, Mexico |
