·
|
German Federal Biological Centre for Agriculture and Forestry (BBA)
|
·
|
German Nature Protection Association (NABU)
|
·
|
Bavarian Regional Association for the Protection of Birds (LBV)
|
·
|
German Environmental Protection Association (DUH)
|
·
|
Jordsand, Society for the Protection of Seabirds and Nature
|
·
|
EURONATUR/European Cultural Heritage Foundation
|
·
|
LPO, France
|
·
|
Luxemburg Association for the Protection of Birds and Nature
|
·
|
Blue Bird Association of North America
|
·
|
SEO, Espagne
|
·
|
LIPU, Italie
|
·
|
Global Nature Fund
|
·
|
Ligue Royale Belge pour la Protection des Oiseaux (LRBPO), Belgique
|