Institution: | Center for Latin American Studies and Department of Wildlife and Range Sciences, University of Florida, Gainesville, F1. 32611, U.S.A.;Wildlife Conservation International, New York Zoological Society, Bronx Zoo, Bronx, N.Y. 10460, USA;Departamento de Ciencias Ecologicas, Facultad de Ciencias, Universidad de Chile, P.O. Box 653, Santiago, Chile |