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Side-by-Side Comparison

Attribut	Dark Hawk-Cuckoo	Red-billed Malkoha
Nom scientifique	Hierococcyx bocki	Zanclostomus javanicus
Ordre	Cuculiformes	Cuculiformes
Famille	Cuculidae	Cuculidae
Statut de conservation	Least Concern	Least Concern
Longueur	—	—
Envergure	35,9 cm (14.1 in)	28,8 cm (11.3 in)
Poids	137,0 g (4.83 oz)	115,5 g (4.07 oz)
Régime alimentaire	--	--
Taille de la couvée	--	--
Population Trend	—	—

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Habitat Comparison

Habitats partagés

🌲 Forest

Dark Hawk-Cuckoo only

Aucun(e)

Red-billed Malkoha only

Aucun(e)

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Song & Call Comparison

Dark Hawk-Cuckoo

Chant

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

Red-billed Malkoha

Chant

Sharp, staccato chip note; clean emphatic sound repeated rhythmically from dense tropical scrub habitat.

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Statut de conservation

Least Concern

Dark Hawk-Cuckoo

Least Concern

Red-billed Malkoha

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How to Tell Them Apart

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

Red-billed Malkoha

Plumage

Olive-capped Coua: olive-green crown; gray body; white below; bare blue facial skin; long graduated tail; Madagascar species; olive cap

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About These Birds

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.

Red-billed Malkoha

Red-billed Malkoha (Zanclostomus javanicus) — 38–44 cm. Blue-green above with a rufous belly; bright red bill and bare red orbital skin; long white-tipped tail. Inhabits primary and tall secondary forest of the Malay Peninsula, Sumatra, and Java. Non-parasitic. Insectivore feeding on large caterpillars and invertebrates.

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