Besra Accipiter virgatus
Average number of individuals by week based on Singapore Bird Database data, Jul 2012 to Jun 2022 (all records)
Peak week Oct 15-Oct 21, Oct 29-Nov 04, Nov 05-Nov 11 (1 more)
Early date 18 Oct 2019
Late date 15 Mar 2018
One of the rare Accipiter species of Singapore. Five records across two years in 2019 and 2020, but none in 2021.