nature conservation area eastern rhodopes for rare vulture species, madzharovo,bulgaria 2020

24 2020 animal arda area august autumn bearded biodiversity bird bridge bulgaria cinereous coast conservation dam dameastern eagle eastern ecosystem egyptian endangered europe fauna griffon habitat haskovo kardzhali kladenec lisicite madzharovobulgaria migration mountain nature nest ornithology outdoors people photography places province rare reserve rhodopes river rock rope species studen vilage village vulture watching wilderness wildlife