1. Lancaster Environment Centre; Lancaster University; Lancaster LA1 4YQ UK
2. Museu Paraense Emílio Goeldi; CP 399 Belém Pará 66040-170 Brazil
3. Department of Biological Sciences; University of Toronto; Toronto ON M1C 1A4 Canada
4. Department of Ecology & Evolutionary Biology; University of Toronto; Toronto ON M5S 3B2 Canada
5. British Ecological Society; Charles Darwin House; 12 Roger Street London WC1N 2JU UK
6. Zoological Society of London; Institute of Zoology; London NW1 4RY UK
7. Conservation Ecology Group; School of Biological and Biomedical Sciences; Durham University; Durham DH1 3LE UK
8. School of Biology; Newcastle University; Newcastle upon Tyne NE1 7RU UK