Asian Emerald Cuckoo illustration
Birdsong field guide

Asian Emerald Cuckoo

Chrysococcyx maculatus

A small, brilliantly colored member of the cuckoo family, the Asian Emerald Cuckoo is known for its striking metallic green plumage and its secretive nature within forest canopies.

What it sounds like

A series of rapid, high-pitched, shrill whistling notes often described as 'teew-whi-whi-whi' or 'chee-wick'.

Reference call, compare with what you heard
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Rec. Dave Guo · ChinaCC BY-NC-SAXeno-canto

Field notes

  • The species is an obligate brood parasite, frequently targeting the nests of sunbirds, spiderhunters, and warblers.
  • Males possess a vivid iridescent emerald green head and upperparts, while females exhibit a distinct copper-toned crown and brown-barred underparts.
  • It is one of the smaller cuckoo species, measuring approximately 18 centimeters in total body length.
  • During courtship, the male often performs a series of aerial displays and vocalizations to attract a mate while holding a food offering.
  • The bird's diet is specialized toward insects, with a particular preference for hairy caterpillars and ants found in the high canopy.
Habitat
Subtropical and tropical moist lowland forests, montane evergreen forests, and occasionally cultivated gardens or orchards.
Range
Found across the Indian Subcontinent and Southeast Asia, ranging from the Himalayas through Southern China to the Malay Peninsula.

Similar & commonly confused birds

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