Barn Swallow Hirundo rustica
Estimated average number of individuals by week based on eBird data, Jul 2013 to Jun 2023
Peak week Oct 01-Oct 07
Early date 02 Jul 2022
Late date 28 Jun 2023
One of the earliest migrant species to arrive in Singapore, but the largest numbers are observed during the raptor migration in October and November as they pass through the island on their southward passage.