Japanese Sparrowhawk
Tachyspiza gularis
Estimated average number of individuals by week based on
eBird
data, Jul 2014 to Jun 2024
Peak week
Oct 29-Nov 04
Early date
25 Aug 1987
Late date
01 May 1989
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One of the commonest raptors on passage from Sep to Nov, and peak migration of this species is in end Oct.