Authors
Volen Arkumarev
Bulgarian Society for Protection of Birds/BirdLife Bulgaria, Sofia, Bulgaria
Plovdiv University “Paisii Hilendarski”, Faculty of Biology, “Todor Samodumov” str. 2, Plovdiv, Bulgaria
Dobromir Dobrev
Bulgarian Society for Protection of Birds/BirdLife Bulgaria, Sofia, Bulgaria
Plovdiv University “Paisii Hilendarski”, Faculty of Biology, “Todor Samodumov” str. 2, Plovdiv, Bulgaria
Anton Stamenov
Bulgarian Society for Protection of Birds/BirdLife Bulgaria, Sofia, Bulgaria
Atanas Delchev
Bulgarian Society for Protection of Birds/BirdLife Bulgaria, Sofia, Bulgaria
Stoycho Stoychev
Bulgarian Society for Protection of Birds/BirdLife Bulgaria, Sofia, Bulgaria
Rewilding Rhodopes Foundation, Bulgaria