EN
The occurence of scaup Aythya marila, eider Somateria mollissima, long-tailed duck Clangula hyemalis, common scoter Melanitta nigra, velvet scoter Melanitta fusca in inland areas in Poland
RU
Pojavlenija beloboka Aythya marila, gagi Somateria mollissima, morjanki Clangula hyemalis, sin'gi Melanitta nigra i turpana Melanitta fusca v glubine Pol'shi