Biak Coucal vs Lesser Ground-cuckoo

Centropus chalybeus مقارنةً بـ Morococcyx erythropygus

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Side-by-Side Comparison

السمة Biak Coucal Lesser Ground-cuckoo
الاسم العلمي Centropus chalybeus Morococcyx erythropygus
الرتبة Cuculiformes Cuculiformes
الفصيلة Cuculidae Cuculidae
حالة الحفاظ Near Threatened Least Concern
الطول
طول الجناح 39,1 cm (15.4 in) 19,8 cm (7.8 in)
الوزن 244,4 g (8.62 oz) 66,6 g (2.35 oz)
النظام الغذائي -- --
عدد البيض في الوضع -- 2
Population Trend
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Habitat Comparison

الموائل المشتركة

بلا

Biak Coucal only

Lesser Ground-cuckoo only

بلا

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Song & Call Comparison

Biak Coucal

الغناء

Deep, booming resonant call; powerful low notes carrying impressively across African lowland forest floor.

Lesser Ground-cuckoo

الغناء

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

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حالة الحفاظ

Near Threatened

Biak Coucal

Least Concern

Lesser Ground-cuckoo

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How to Tell Them Apart

Biak Coucal

الريش

Black-hooded Coucal: black hood contrasting brown mantle; rufous-brown wings; pale buff below; long dark tail; red eye; bold hood

Lesser Ground-cuckoo

الريش

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

Biak Coucal

Biak Coucal (Centropus chalybeus) — 42–48 cm. Glossy blue-black above; chestnut-rufous wings; pale buff underparts; heavy bill. Endemic to Biak Island, Irian Jaya, Indonesia. Inhabits lowland and foothill forest. Non-parasitic. Omnivore. Listed as Vulnerable due to its very restricted island range and ongoing habitat degradation.

Lesser Ground-cuckoo

Lesser Ground-cuckoo (Morococcyx erythropygus) — 28 cm. Brown above; chestnut rump; whitish underparts; bare blue orbital skin. Inhabits dry and semi-arid scrub from Mexico to Costa Rica. Non-parasitic; builds its own nest in low shrubs. Runs on the ground hunting large insects, lizards, and amphibians. Monotypic genus endemic to Mesoamerica.

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