Participating organisations
- African Bird Club (ABC)
- Birdfair/RSPB Fund for Endangered Species
- British Ornithologists' Union (BOU)
- British Trust for Ornithology (BTO)
- Oriental Bird Club (OBC)
- Ornithological Society of the Middle East (OSME)
- Scottish Ornithologists' Club (SOC)
- Sound Approach Bird Fund
- Welsh Ornithological Society (WOS)