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Side-by-Side Comparison

属性	Smooth-billed Ani	Lesser Ground-cuckoo
学名	Crotophaga ani	Morococcyx erythropygus
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)	19.8 cm (7.8 in)
体重	125.375 g (4.42 oz)	66.6 g (2.35 oz)
食性	Insectivore following cattle herds; eats grasshoppers, beetles, and hairy caterpillars flushed by grazers. Also takes …	--
一腹卵数	3-7	2
Population Trend	—	—

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Habitat Comparison

共通生息地

None

Smooth-billed Ani only

🌾 Grassland

Lesser Ground-cuckoo only

None

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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.

Lesser Ground-cuckoo

さえずり

Soft, ventriloquial whistled phrase; clear pure notes given quietly and deceptively from dense tropical thicket.

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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.

Lesser Ground-cuckoo

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保全状況

Least Concern

Smooth-billed Ani

Least Concern

Lesser 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

Lesser Ground-cuckoo

羽毛

Greater Roadrunner: boldly streaked brown above; white-cream below with dark streaks; long tail; shaggy crest; bare facial skin; fast runner

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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。

Lesser Ground-cuckoo

メキシコからコスタリカにかけての乾燥した低地林に生息するレッサーグラウンドカッコウ。体長25〜28cm。地面を走り昆虫や小動物を捕食する。地面を好む習性のカッコウ類。低危険種。

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