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Side-by-Side Comparison

Attribute	Solomons Brush Cuckoo	Dark Hawk-Cuckoo
Scientific Name	Cacomantis addendus	Hierococcyx bocki
Order	Cuculiformes	Cuculiformes
Family	Cuculidae	Cuculidae
Conservation Status	Not Evaluated	Least Concern
Length	—	—
Wingspan	—	35.9 cm (14.1 in)
Weight	38.0 g (1.34 oz)	137.0 g (4.83 oz)
Diet	--	--
Clutch Size	--	--
Population Trend	—	—

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Habitat Comparison

Shared Habitats

🌲 Forest

Solomons Brush Cuckoo only

None

Dark Hawk-Cuckoo only

None

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Song & Call Comparison

Solomons Brush Cuckoo

Song

Loud, far-carrying resonant call; deep melodic notes given from dense forest habitat. Vocalization pattern typical of this species in its native habitat.

Dark Hawk-Cuckoo

Song

Loud, raucous call with harsh quality; penetrating notes carrying through dense forest in South Asia.

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Conservation Status

Not Evaluated

Solomons Brush Cuckoo

Least Concern

Dark Hawk-Cuckoo

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How to Tell Them Apart

Solomons Brush Cuckoo

Plumage

Solomons Brush Cuckoo: brown above; pale buff below; long dark tail; yellow eye-ring; Solomon Islands endemic brush cuckoo

Dark Hawk-Cuckoo

Plumage

Dark Hawk-Cuckoo: dark brown above; pale below with dense dark barring; hawk-like; long barred tail; yellow orbital ring; dark morph

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About These Birds

Solomons Brush Cuckoo

Solomons Brush Cuckoo (Cacomantis addendus) — 22–26 cm. Brown above; rufous-buff below; yellow orbital ring. Endemic to the Solomon Islands in forest and forest edge. Brood parasite targeting gerygones. Insectivore.

Dark Hawk-Cuckoo

Dark Hawk-Cuckoo (Hierococcyx bocki) — 28–31 cm. Dark grey above; pale below with darker streaking; barred tail. Restricted to montane forest of the Malay Peninsula. Brood parasite. Insectivore. Rare; poorly documented.

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