1. Centre for Biological Diversity; University of St Andrews; Harold Mitchell Building St Andrews Fife KY16 9TH UK
2. AP Leventis Ornithological Research Institute; Jos Nigeria
3. RSPB Centre for Conservation Science; The Lodge; Sandy Beds SG19 2DL UK
4. Fauna & Flora International; 2 Harmon's Compound, Oldest Congo Town Monrovia Liberia
5. Centre for Integrative Ecology; Deakin University; Geelong Vic. 3216 Australia
6. British Trust for Ornithology; The Nunnery Thetford IP24 2PU UK