One day I saw the Chestnut-winged Cuckoo flying to the tree, perch on a branch but keeps moving its head from side to side then fly to another bushy branch. This i have observe a few time on this species.
Sewah Berjambul (Malay)
Chestnut-winged Cuckoo
Clamator coromandus
The Chestnut-winged Cuckoo is drying its wing after rain.
then another day, I notice something slithering in the branches, looks like the cuckoo.. then it vanishes.. Movement of leaves tell me that it's still there.. I move my head sideways imitating the cuckoo, then I can notice the shilouette of the cuckoo in the shadows. Now I understand the purpose of the head shaking.. angle of view changes slightly when moving head from left to right revealing things missed from the other angle.
here another pic showing the chestnut coloured wings resemble the fruit.
so the antics of the cuckoo during hunting does have its reward.
With its prey, somekind of bug
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