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Cuculus optatus
Basic stats
Diet
Insects, especially caterpillars
Habitat
Forest, forest edge (migrant)
Range
East Asia (migrant)
Clutch size
1 egg (brood parasite)
Incubation period
About 12–13 days
Size
Medium (30–32cm)
Wingspan
~52–56cm
Weight
~85–110g
A grey, barred cuckoo closely resembling the Common Cuckoo, breeding in East Asia and passing through or wintering in Bornean forest.
A brood parasite of small forest passerines, it is best distinguished from similar congeners by call and subtle plumage features, and is most often detected on migration.
