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Side-by-Side Comparison

属性	Smooth-billed Ani	Rufous-winged Ground-cuckoo
学名	Crotophaga ani	Neomorphus rufipennis
目	Cuculiformes	Cuculiformes
科	Cuculidae	Cuculidae
保全状況	Least Concern	Least Concern
体長	—	—
翼開長	28.8 cm (11.3 in)	34.1 cm (13.4 in)
体重	125.375 g (4.42 oz)	381.25 g (13.45 oz)
食性	Insectivore following cattle herds; eats grasshoppers, beetles, and hairy caterpillars flushed by grazers. Also takes …	--
一腹卵数	3-7	--
Population Trend	—	—

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Habitat Comparison

共通生息地

None

Smooth-billed Ani only

🌾 Grassland

Rufous-winged Ground-cuckoo only

🌲 Forest

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Song & Call Comparison

Smooth-billed Ani

さえずり

Rapid, bubbling call with liquid quality; pleasant gurgling notes cascading quickly from dense grassland cover.

Rufous-winged Ground-cuckoo

さえずり

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

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Geographic Range & Migration

Smooth-billed Ani

Found from Florida and the Caribbean through Central and South America to Argentina. Resident in open habitats.

Rufous-winged Ground-cuckoo

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保全状況

Least Concern

Smooth-billed Ani

Least Concern

Rufous-winged Ground-cuckoo

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How to Tell Them Apart

Smooth-billed Ani

羽毛

New Britain Bronze-cuckoo: bronze-green above; barred white below; red eye; island endemic; iridescent bronze-green coloration

Rufous-winged Ground-cuckoo

羽毛

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

Smooth-billed Ani

スムースビルドアーニー（Crotophaga ani）— 中南米に広く分布するアーニー。滑らかな嘴をもちサバンナや農地に生息する。社会的な繁殖行動をもつ。

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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