World Migratory Bird Day worldmigratorybirdday.org: Russia, NCP "Birds&People", birding-rally "Geese and swans"
World Migratory Bird Day worldmigratorybirdday.org: Russia, NCP "Birds&People", birding-rally "Geese and swans"
World Migratory Bird Day worldmigratorybirdday.org: Russia, NCP "Birds&People", birding-rally "Geese and swans"
World Migratory Bird Day worldmigratorybirdday.org: Russia, NCP "Birds&People", birding-rally "Geese and swans"