Sulawesi Cuckoo vs Oriental Cuckoo

Cuculus crassirostris مقارنةً بـ Cuculus optatus

Side-by-Side Comparison

السمة Sulawesi Cuckoo Oriental Cuckoo
الاسم العلمي Cuculus crassirostris Cuculus optatus
الرتبة Cuculiformes Cuculiformes
الفصيلة Cuculidae Cuculidae
حالة الحفاظ Least Concern Least Concern
الطول
طول الجناح 41,2 cm (16.2 in)
الوزن 85,0 g (3.00 oz) 102,26666666666667 g (3.61 oz)
النظام الغذائي -- --
عدد البيض في الوضع -- 1-2
Population Trend

Habitat Comparison

الموائل المشتركة

Sulawesi Cuckoo only

بلا

Oriental Cuckoo 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.

Oriental Cuckoo

الغناء

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

حالة الحفاظ

Least Concern

Sulawesi Cuckoo

Least Concern

Oriental Cuckoo

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

Oriental Cuckoo

الريش

Oriental Cuckoo: gray above; white below with rufous barring; long dark tail; yellow eye-ring; broad barring; Asian migrant species

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.

Oriental Cuckoo

Oriental Cuckoo (Cuculus optatus) — 30–33 cm. Grey above; barred white underparts; yellow orbital ring; long tail. Widespread breeder across Siberia, Russia, and northeast Asia; winters to Southeast Asia and Australia. Brood parasite targeting warblers and flycatchers. Insectivore. Long-distance migratory cuckoo.

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