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Side-by-Side Comparison

Характеристика	Black-billed Cuckoo	Rufous-winged Ground-cuckoo
Научное название	Coccyzus erythropthalmus	Neomorphus rufipennis
Отряд	Cuculiformes	Cuculiformes
Семейство	Cuculidae	Cuculidae
Охранный статус	Least Concern	Least Concern
Длина	—	—
Размах крыльев	27,4 cm (10.8 in)	34,1 cm (13.4 in)
Масса	53,20000000000001 g (1.88 oz)	381,25 g (13.45 oz)
Питание	--	--
Размер кладки	2-5	--
Population Trend	—	—

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Habitat Comparison

Общие среды обитания

🌲 Forest

Black-billed Cuckoo only

Нет

Rufous-winged Ground-cuckoo only

Нет

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Song & Call Comparison

Black-billed Cuckoo

Пение

Loud, far-carrying resonant call; deep notes audible across dense forest in Asia. Vocalization pattern typical of this species in its native habitat.

Rufous-winged Ground-cuckoo

Пение

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

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Охранный статус

Least Concern

Black-billed Cuckoo

Least Concern

Rufous-winged Ground-cuckoo

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How to Tell Them Apart

Black-billed Cuckoo

Оперение

Gray-capped Cuckoo: gray cap; brown above; pale below; graduated dark tail; South American species; forest cuckoo

Rufous-winged Ground-cuckoo

Оперение

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

Black-billed Cuckoo

Black-billed Cuckoo (Coccyzus erythropthalmus) — 26–31 cm. Brown above; white below; all-dark bill; narrow red orbital ring; tail with small white spots. Migratory breeder in eastern North America; winters in South America. Non-parasitic. Insectivore specialising in tent caterpillars and other hairy larvae.

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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More Birds to Explore

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