SEX RATIO IN MALLARDS ANAS PLATYRHYNCHOS WINTERING ON THE MOSKVA RIVER IN THE KOLOMENSKOYE MUSEUM-RESERVE
Tufted duck Aythya fuligula in the Kolomenskoye Museum-Reserve: phenology, distribution and feeding behavior
Coastal groupings of land (terrestrial) bird species on the Moscow River in the Kolomenskoye Museum-Reserve
