1. Fenner School of Environment and Society, Australian National University, Canberra, Australia
2. Museum and Institute of Zoology, Polish Academy of Sciences, Warsaw, Poland
3. Department of Conservation, New Zealand Government, Rangiora, New Zealand
4. BirdLife International, Cambridge, UK
5. Department of Zoology, University of Cambridge, Cambridge, UK
6. BirdLife International, Pacific Partnership Secretariat, Suva, Fiji