Royal Society for the Protection of Birds

Wildfowl & Wetlands Trust - WWT


Hellenic Ornithological Society


MME - BirdLife Hungary

Kirilovi Ltd.

Farmer from Krapetz

New Tracian Gold

Hunting and Fishing Association - Shabla

Fund for Wild Flora and Fauna

Central Balkan National Park

Bulgarian Biodiversity Foundation

Saltfactory Bourgas

Burgas Municipality

Regional Natural History Museum - Plovdiv