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Side-by-Side Comparison

विशेषता	Goliath Coucal	Rufous-winged Ground-cuckoo
वैज्ञानिक नाम	Centropus goliath	Neomorphus rufipennis
गण	Cuculiformes	Cuculiformes
कुल	Cuculidae	Cuculidae
संरक्षण स्थिति	Least Concern	Least Concern
लंबाई	—	—
पंखों का फैलाव	53.8 cm (21.2 in)	34.1 cm (13.4 in)
वजन	509.0 g (17.95 oz)	381.25 g (13.45 oz)
आहार	--	--
अंडों की संख्या	--	--
Population Trend	—	—

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Habitat Comparison

साझा आवास

🌲 Forest

Goliath Coucal only

कोई नहीं

Rufous-winged Ground-cuckoo only

कोई नहीं

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Song & Call Comparison

Goliath Coucal

गीत

Loud, far-carrying coo with resonant quality; deep notes building in dramatic sequence from forest perch.

Rufous-winged Ground-cuckoo

गीत

Deep, hollow resonant call; powerful low-frequency sound carrying across dense lowland tropical forest floor.

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संरक्षण स्थिति

Least Concern

Goliath Coucal

Least Concern

Rufous-winged Ground-cuckoo

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How to Tell Them Apart

Goliath Coucal

पंख

Lesser Coucal: smaller; dark brown above; rufous wings; pale buff-white below; red eye; long graduated dark tail; less glossy

Rufous-winged Ground-cuckoo

पंख

Pheasant Coucal: dark glossy black head and body; rufous-brown wings; strongly barred dark tail; reddish eye; terrestrial habits

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About These Birds

Goliath Coucal

Goliath Coucal (Centropus goliath) — 65–75 cm. The largest coucal; all-dark with a massive decurved bill; faint bronze-green gloss; very long tail. Endemic to the Moluccas, Indonesia, in primary lowland forest. Non-parasitic. Omnivore; hunts large lizards, birds, frogs, and invertebrates.

Rufous-winged Ground-cuckoo

Rufous-winged Ground-cuckoo (Neomorphus rufipennis) — 46–50 cm. Bronze-green above; rufous wing panels; pale buff below. Found in humid forest of Venezuela, Guyana, and northern Brazil. Non-parasitic; follows army ants. Insectivore and small vertebrate predator. Rarely encountered; Near Threatened.

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