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Side-by-Side Comparison

Attribut	Chestnut-breasted Cuckoo	Dark Hawk-Cuckoo
Nom scientifique	Cacomantis castaneiventris	Hierococcyx bocki
Ordre	Cuculiformes	Cuculiformes
Famille	Cuculidae	Cuculidae
Statut de conservation	Least Concern	Least Concern
Longueur	—	—
Envergure	22,1 cm (8.7 in)	35,9 cm (14.1 in)
Poids	31,5 g (1.11 oz)	137,0 g (4.83 oz)
Régime alimentaire	--	--
Taille de la couvée	--	--
Population Trend	—	—

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Habitat Comparison

Habitats partagés

🌲 Forest

Chestnut-breasted Cuckoo only

🏖️ Coastal

Dark Hawk-Cuckoo only

Aucun(e)

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Song & Call Comparison

Chestnut-breasted Cuckoo

Chant

Loud, far-carrying resonant call with chestnut-breasted quality; deep hollow notes carrying through Pacific forest.

Dark Hawk-Cuckoo

Chant

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

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Statut de conservation

Least Concern

Chestnut-breasted Cuckoo

Least Concern

Dark Hawk-Cuckoo

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How to Tell Them Apart

Chestnut-breasted Cuckoo

Plumage

Chestnut-breasted Cuckoo: rich chestnut breast; gray-brown above; pale belly; long dark tail; red orbital ring; bold chestnut breast

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

Chestnut-breasted Cuckoo

Chestnut-breasted Cuckoo (Cacomantis castaneiventris) — 20–24 cm. Grey above; bright chestnut breast and belly; grey chin; yellow orbital ring. Restricted to rainforest and forest edge of Cape York Peninsula, Australia, and southern New Guinea. 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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