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Acrocephalus orientalis
Diet
Insects
Habitat
Reedbeds, marshes, wet grassland
Range
Breeds East Asia, winters to Sundaland and beyond
Clutch size
4–6 eggs (on breeding grounds)
Incubation period
About 12–14 days
Size
Medium (18–19cm)
Wingspan
~24–26cm
Weight
~25–30g
A large, robust reed warbler, plain brown above with a strong pale eyebrow, a scarce but regular winter visitor to Bornean wetlands.
Loud and skulking, it forages deep within reeds and tall waterside vegetation and is more often heard giving its harsh churring calls than seen.