Olive-capped Coua vs Western Koel

Coua olivaceiceps compared with Eudynamys scolopaceus

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Side-by-Side Comparison

Attribute Olive-capped Coua Western Koel
Scientific Name Coua olivaceiceps Eudynamys scolopaceus
Order Cuculiformes Cuculiformes
Family Cuculidae Cuculidae
Conservation Status Least Concern Least Concern
Length
Wingspan 32.9 cm (13.0 in) 39.3 cm (15.5 in)
Weight 182.0 g (6.42 oz) 230.0 g (8.11 oz)
Diet -- --
Clutch Size 1-3 2-3
Population Trend
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Habitat Comparison

Shared Habitats

Olive-capped Coua only

None

Western Koel only

None

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Song & Call Comparison

Olive-capped Coua

Song

Loud, harsh resonant call; penetrating notes carrying through tropical forest habitat in South Asia.

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.

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Conservation Status

Least Concern

Olive-capped Coua

Least Concern

Western Koel

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How to Tell Them Apart

Olive-capped Coua

Plumage

Pheasant Coucal (Phasianinus): dark black with bronze sheen; rufous wings; barred tail; red eye; ground-dwelling; long barred tail

Western Koel

Plumage

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

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About These Birds

Olive-capped Coua

Olive-capped Coua (Coua olivaceiceps) — 40–44 cm. Grey-brown with an olive-grey cap replacing the rufous cap of the related Red-capped Coua; bare blue orbital skin. Inhabits the southern semi-arid zone of Madagascar. Non-parasitic. Omnivore. Sometimes treated as a subspecies of Red-capped Coua.

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.

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