1. Centre for Biological Diversity; Univ. 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 and Flora International (FFI); 2 Harmon's Compound, Oldest Congo Town Monrovia Liberia
5. Centre for Integrative Ecology; Deakin Univ.; Geelong VIC 3216 Australia
6. British Trust for Ornithology, The Nunnery; Thetford IP24 2PU UK