Sulawesi Cuckoo vs Black-billed Koel

Cuculus crassirostris مقارنةً بـ Eudynamys melanorhynchus

Side-by-Side Comparison

السمة Sulawesi Cuckoo Black-billed Koel
الاسم العلمي Cuculus crassirostris Eudynamys melanorhynchus
الرتبة Cuculiformes Cuculiformes
الفصيلة Cuculidae Cuculidae
حالة الحفاظ Least Concern Not Evaluated
الطول
طول الجناح 41,2 cm (16.2 in)
الوزن 85,0 g (3.00 oz) 199,875 g (7.05 oz)
النظام الغذائي -- --
عدد البيض في الوضع -- --
Population Trend

Habitat Comparison

الموائل المشتركة

Sulawesi Cuckoo only

بلا

Black-billed Koel only

Song & Call Comparison

Sulawesi Cuckoo

الغناء

Loud, raucous call with harsh quality; penetrating notes carrying through dense forest in Asia. Vocalization pattern typical of this species in its native habitat.

Black-billed Koel

الغناء

Loud, resonant call with musical quality; rich carrying notes given from tall forest tree in Borneo.

حالة الحفاظ

Least Concern

Sulawesi Cuckoo

Not Evaluated

Black-billed Koel

How to Tell Them Apart

Sulawesi Cuckoo

الريش

Sulawesi Cuckoo: dark gray-brown above; pale below; long dark tail; yellow orbital ring; Sulawesi endemic; larger than most Cuculus

Black-billed Koel

About These Birds

Sulawesi Cuckoo

Sulawesi Cuckoo (Cuculus crassirostris) — 30–34 cm. Dark grey above; pale below with bold brown-grey barring; heavier bill than most Cuculus. Endemic to Sulawesi in montane forest. Brood parasite. Insectivore. Poorly known.

Black-billed Koel

Black-billed Koel (Eudynamys melanorhynchus) — 38–44 cm. Male glossy black with a dark bill (unlike related koels with pale bills); female similar to Western Koel female. Endemic to Sulawesi and Sula Islands in Indonesia. Brood parasite; hosts include corvids. Frugivore and insectivore.

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