Guided Birding Tour in November 2017 Alec from Argentina - Han River Upstream, Gyeonggi-province, South Korea on 18st November 2017 - Hi-light bird listTundra Bean-GooseWhooper SwanEastern Spot-billed DuckGreen-winged Teal (Eurasian)Common GoldeneyeScaly-sided MerganserOspreyNorthern GoshawkWhite-tailed EagleEastern BuzzardLarge-billed CrowVinous-throated ParrotbillDaurian RedstartJapanese Wagta..