Institution: | Department of Biological Sciences, Stanford University, 385 Serra Mall, Stanford, CA 94305, USA;;Energy and Resources Group, 310 Barrows Hall, University of California, Berkeley, CA 94720, USA;and;Las Cruces Biological Station, Organization for Tropical Studies, Apartado 73–8257 San Vito de Coto Brus, Puntarenas, Costa Rica |