Brown-backed Needletail Hirundapus giganteus
Estimated average number of individuals by week based on eBird data, Jul 2013 to Jun 2023
Peak weeks Mar 19-Mar 25, Oct 29-Nov 04, Nov 12-Nov 18
Early date 01 Jul 1993
Late date 13 May 2017
Usually seen during the raptor migration period in Oct and Nov. Decent views or photographs are required to rule out the similar Silver-backed Needletail, which has a slightly paler throat.