Common Swift Apus apus
Average number of individuals by week based on Singapore Bird Database data, Jul 2013 to Jun 2023 (all records)
Peak weeks Oct 08-Oct 14, Oct 22-Oct 28, Nov 05-Nov 11
Early date 09 Oct 2020
Late date 10 Nov 2022
Both of this species's records in Singapore were in Oct 2020. It lacks the white rump of the similar and much more common Pacific Swift.