Gadwall Mareca strepera
Average number of individuals by week based on Singapore Bird Database data, Jul 2013 to Jun 2023 (all records)
Peak week Dec 03-Dec 09
Early date 04 Dec 2020
Late date 19 Jan 1989
With only one historical record of one bird in Punggol in 1989, the sighting of five birds together at Sungei Buloh in Dec 2020 came as quite a surprise.