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
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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.