Silver-backed Needletail
Hirundapus cochinchinensis
Estimated average number of individuals by week based on eBird data, Jul 2012 to Jun 2022
Peak week
Nov 19-Nov 25
Early date
08 Sep 1990
Late date
07 Apr 2001
Double-tap to reset zoom
All confirmed records in the last 10 years have come during the months of Oct and Nov, and mostly seen at the end of Nov.