White-throated Needletail Hirundapus caudacutus
Average number of individuals by week based on Singapore Bird Database data, Jul 2012 to Jun 2022 (all records)
Peak week Oct 29-Nov 04, Nov 05-Nov 11
Early date 16 Oct 2021
Late date 05 Apr 2008
Only recorded as a passage migrant, and nearly all records are from mid-Oct to mid-Nov with only a few sporadic records on northward passage in Mar and Apr.