1. Conservation International, 1919 M Street, NW, Washington, DC 20036, USA.
2. World Agroforestry Centre (ICRAF), Post Office Box 35024, University of the Philippines, Los Baños, Laguna 4031, Philippines.
3. Department of Environmental Sciences, University of Virginia, Charlottesville, VA 22904, USA.
4. Departamento de Zoologia, Universidade Federal de Minas Gerais, Belo Horizonte, MG 31270, Brazil.
5. Department of Zoology, University of Cambridge, Downing Street, Cambridge CB2 3EJ, UK.