Specialist societies and umbrella organisations
Dachverband Deutscher Avifaunisten (Federation of German Avifaunists)
Deutsche Zoologische Gesellschaft e.V. (DZG)
Ecological Society of Germany, Austria and Switzerland (GfÖ)
Verband Deutscher Biologen (vdbiol)
Professional Association of German Biologists
Zoological-Botanical Society of Austria (ÖZBG)
The Swiss Zoological Society (SZG)
IUCN - The World Conservation Union