Asian Emerald Cuckoo
Chrysococcyx maculatus
Stunning jewel of a bird, found in dense forests. Males have vivid, electric green upperparts and black-and-white striped underparts. Females similar but have light orange crown and thinly striped face. Slow in its movements, usually found high up in the canopy gleaning insects from foliage. Parasitizes the nests of spiderhunters and sunbirds. Gives a explosive “chew’wit’it!” in flight, as well as high-pitched descending rattles.
Identification
The Asian emerald cuckoo grows to a length of about 18 cm (7 in). The adult male has an iridescent dark green head, upper parts and upper breast, a white lower breast and a green barred belly. Bare skin round the eye is orange and the beak is orange/yellow tipped with black. The adult female has coppery-green upper parts, rusty brown crown and nape and green-barred underparts. Both sexes show a white band on the underwing when in flight. The underparts of the juvenile male lack the white lower breast and are more heavily barred. The voice is a “chweek” uttered while flying, and various whistled twitters.
Taxonomy
The Asian emerald cuckoo was formally described in 1788 by the German naturalist Johann Friedrich Gmelin in his revised and expanded edition of Carl Linnaeus's Systema Naturae. He placed it with all the other cuckoos in the genus Cuculus and coined the binomial name Cuculus maculatus. Gmelin based his description on the "Spotted Curucui" from Ceylon that had been described and illustrated in 1776 by the English naturalist Peter Brown. The Asian emerald cuckoo is now placed together with 12 other species in the genus Chrysococcyx that was introduced in 1826 by the German zoologist Friedrich Boie. The genus name combines the Ancient Greek χρυσος khrusos meaning "gold" with κοκκυξ kokkux "cuckoo". The specific epithet maculatus is from Latin and means "spotted" or "blotched". The species is monotypic: no subspecies are recognised.
- Scientific name
- Chrysococcyx maculatus
- Authority
- (Gmelin, JF, 1788)
- Order
- Cuculiformes
- Family
- Cuculidae
- Genus
- Chrysococcyx
Range and habitat
This cuckoo has a breeding range that extends from the Himalayas eastwards to Myanmar, China and northern Thailand. Further south it is a vagrant or migrant in northern India, Sri Lanka, Malaysia and Sumatra; it is not known to breed in these areas. It frequents forests and woodland margins.
- Breeding range
- OR : Himalayas to sc China and se Asia
- Non-breeding range
- to s India, Sri Lanka and Malay Pen.
- Migration
- Complete migrants
Behavior
The Asian emerald cuckoo mainly forages in the upper levels of the canopy where it feeds on insects and other small invertebrates, including ants, caterpillars and bugs. It is a brood parasite, the females laying their eggs in the nests of other birds, such as the crimson sunbird (Aethopyga siparaja) and the little spiderhunter (Arachnothera longirostra).
Conservation
- Population trend
- declining
Photos
Distribution
Bird Calls
Other Birds
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Gymnomyza brunneirostris
A very large, robust honeyeater. Entirely drab grayish-olive with an olive cast to the wings and tail and a conical dark bill. Small yellow moustache wattle usually visible. Dependent on primary mature forest, mostly in the lowlands, but less commonly above 600 meters of elevation. Similar to Western Wattled-Honeyeater but much larger and overall more yellow, lacking a dark blackish moustache, with a more pendulous yellow wattle. Most common call is a very, very loud, ringing, far-carrying “kee-yow,” often repeated for minutes at a time.
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Cuban Crow
Corvus nasicus
A large, black gregarious species of open woodlands, palm savannahs, and human settlements (including agricultural areas and garbage dumps) near woodlands; often found in flocks of up to fifty birds. The similar Palm Crow has a much shorter bill with extensive feathering on top. The Palm Crow also has a flat, harsh “raaah” unlike the Cuban Crow’s “whih waaa” call with the first note inflected upward and the second note downward. Cuban Crows also have a number of shrieking and harsh burbling noises.
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