- Aviornis
- BioDiversity Research Institute
- British Waterfowl Association
- Ducks Unlimited
- Entente ee
- Int.Wild Waterfowl Assoc.
- IVN Vecht & Plassengebied
- Neerhof dieren
- Sea Duck Joint Venture
- Seaduck Specialists Group
- South.Ocean Seabird Study Assoc.
- The Ramsar Convention
- The Waterbird Society
- Vogelbescherming Nederland
- Wader Study Group
- Watervogelbond
- Watervogelbond
- Wetlands International
- Wildfowl & Wetlands Trust