Western Koel vs Yellow-billed Malkoha

Eudynamys scolopaceus compared with Rhamphococcyx calyorhynchus

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Side-by-Side Comparison

Attribute Western Koel Yellow-billed Malkoha
Scientific Name Eudynamys scolopaceus Rhamphococcyx calyorhynchus
Order Cuculiformes Cuculiformes
Family Cuculidae Cuculidae
Conservation Status Least Concern Least Concern
Length
Wingspan 39.3 cm (15.5 in) 35.2 cm (13.9 in)
Weight 230.0 g (8.11 oz) 117.0 g (4.13 oz)
Diet -- --
Clutch Size 2-3 --
Population Trend
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Habitat Comparison

Shared Habitats

Western Koel only

None

Yellow-billed Malkoha only

None

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Song & Call Comparison

Western Koel

Song

Loud, far-carrying nasal call; distinctive penetrating notes audible through dense tropical forest. Vocalization pattern typical of this species in its native habitat.

Yellow-billed Malkoha

Song

Loud, far-carrying plaintive whistle; pure melodic notes audible through open tropical scrub habitat.

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Conservation Status

Least Concern

Western Koel

Least Concern

Yellow-billed Malkoha

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How to Tell Them Apart

Western Koel

Plumage

Shining Bronze-cuckoo: brilliant iridescent golden-green above; white barred below; bronze-green head; reddish eye; small size

Yellow-billed Malkoha

Plumage

Reynaud's Coua: gray-brown above; white below with rufous flanks; bare blue facial skin; long dark tail; Madagascar forest endemic

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About These Birds

Western Koel

Western Koel (Eudynamys scolopaceus) — 39–46 cm. Male glossy black; female brown with white spots and barred underparts; red eye. Widespread from South Asia through mainland Southeast Asia. Brood parasite targeting crows and mynas. Frugivore and insectivore. Its rising wailing call heralds the Indian summer.

Yellow-billed Malkoha

Yellow-billed Malkoha (Rhamphococcyx calyorhynchus) — 45–50 cm. Bronze-green above; chestnut-red underparts; yellow bill; bare red orbital skin; long tail. Endemic to Sulawesi and nearby islands in primary and secondary forest. Non-parasitic. Insectivore.

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