Guided BirdGuided Birding Tour Reports in September 2023 A Couple from Taiwan and a birder for UK2 day birding trip Hwaseong Lake on August 31 Geum Estuary and Yubu Island on September 1Hwaseong Lake on August 31Geum Estuary and Yubu Island on September 1Garganey Eastern Spot-billed Duck Mallard Little Grebe Great Crested Grebe Oriental Turtle-Dove Eurasian Coot Black-winged Stilt Eurasian Oys..