Crow-billed Drongo
Dicrurus annectens
Estimated average number of individuals by week based on
eBird
data, Jul 2014 to Jun 2024
Peak week
Oct 22-Oct 28
Early date
09 Sep 2023
Late date
29 Apr 2020
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Most numerous during the fall passage from Oct to Nov, but wintering birds are found throughout the winter as well.