Siberian House Martin
Delichon lagopodum
Average number of individuals by week based on
Singapore Bird Database
data, Jul 2013 to Jun 2023 (
all records
)
Peak weeks
Jan 01-Jan 07, Dec 24-Dec 30
Early date
28 Dec 2021
Late date
03 Jan 2021
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Only two past records: in Jan and Dec 2021. It's unclear whether any of the house martins seen during the raptor migration period (Oct-Nov) are this species.