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Side-by-Side Comparison

Attribut	White-crowned Cuckoo	Dark Hawk-Cuckoo
Nom scientifique	Caliechthrus leucolophus	Hierococcyx bocki
Ordre	Cuculiformes	Cuculiformes
Famille	Cuculidae	Cuculidae
Statut de conservation	Least Concern	Least Concern
Longueur	—	—
Envergure	34,8 cm (13.7 in)	35,9 cm (14.1 in)
Poids	112,75 g (3.98 oz)	137,0 g (4.83 oz)
Régime alimentaire	--	--
Taille de la couvée	--	--
Population Trend	—	—

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Habitat Comparison

Habitats partagés

🌲 Forest

White-crowned Cuckoo only

Aucun(e)

Dark Hawk-Cuckoo only

Aucun(e)

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Song & Call Comparison

White-crowned Cuckoo

Chant

Loud, resonant call with musical quality; rich carrying notes building in sequence from forest perch.

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

White-crowned Cuckoo

Least Concern

Dark Hawk-Cuckoo

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How to Tell Them Apart

White-crowned Cuckoo

Plumage

White-crowned Cuckoo: white crown; dark brown mantle; pale below; long dark tail; distinctive white crown contrasting dark body

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

White-crowned Cuckoo

White-crowned Cuckoo (Caliechthrus leucolophus) — 30–34 cm. Striking; black-and-white; white crown and underparts; black back and wings; long tail. Inhabits lowland forest and forest edge of New Guinea. Brood parasite; hosts include whistlers. 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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