1. Laboratory of Vertebrates; Department of Ecology; Federal University of Rio de Janeiro; Rio de Janeiro RJ 21941-590 Brazil
2. International Institute for Sustainability; Rio de Janeiro RJ 22460-320 Brazil
3. Australian Research Council Centre of Excellence for Environmental Decisions; School of Biological Sciences; The University of Queensland; St. Lucia Qld 4072 Australia
4. Global Change Institute; The University of Queensland; St. Lucia Qld 4072 Australia
5. Imperial College London; Department of Life Sciences; Silwood Park Ascot SL5 7PY Berkshire UK