URN:NBN:SI:doc-E5JZXUZ12001Denac, Damijandocuments/doc/E/URN_NBN_SI_doc-E5JZXUZ1_001.pdfdocuments/doc/E/URN_NBN_SI_doc-E5JZXUZ1_001.txt104-10522articlestr. 580351-285118731225URN:NBN:SI:doc-E5JZXUZ1slvDruštvo za opazovanje in proučevanje ptic SlovenijeAcrocephalusInCBirdsDravsko JezeroEcosystemEkosistemLarus MarinusOrmoško JezeroPticeGreat black-backed gullVeliki galeb Larus marinus