Aerial Shot of Βird Οbservatory at Delta Evros River, Greece, 4K Footage

ird bservatory delta evros national park protected area watching birds natural resource fishing stock breeding birds makedonia thraki evrou greece coastal wetland greekturkish border lagoons marshlands salt marshes brackish sand dunes freshwater bodies grasslands agriculture fisheries waterfowl species ecotourism developing environmental education activities waterbird species europe waterbirds passerine species anser albifrons anser erythropus branta ruficollis cygnus olor cygnus cygnus cygnus columbianus tadorna ferruginea species ciconia ciconia nigra artificial landscapes 365 coastline 33 wetlands inland 16 sea 96