Grey-faced Buzzard Butastur indicus
Estimated average number of individuals by week based on eBird data, Jul 2013 to Jun 2023
Peak week Oct 29-Nov 04
Early date 18 Oct 2004
Late date 08 Apr 2001
Used to be considered rare, but recently realized to be rather common at the end of Oct and in early Nov, and in early March to a lesser extent.