Chestnut-winged Cuckoo vs Sulawesi Cuckoo

Clamator coromandus compared with Cuculus crassirostris

Side-by-Side Comparison

Attribute Chestnut-winged Cuckoo Sulawesi Cuckoo
Scientific Name Clamator coromandus Cuculus crassirostris
Order Cuculiformes Cuculiformes
Family Cuculidae Cuculidae
Conservation Status Least Concern Least Concern
Length — —
Wingspan 32.0 cm (12.6 in) 41.2 cm (16.2 in)
Weight 76.2 g (2.69 oz) 85.0 g (3.00 oz)
Diet -- --
Clutch Size 2-5 --
Population Trend — —

Habitat Comparison

Shared Habitats

None

Chestnut-winged Cuckoo only

Sulawesi Cuckoo only

Song & Call Comparison

Chestnut-winged Cuckoo

Song

Loud, far-carrying melodic call; rich resonant notes given from tall tropical forest tree. Vocalization pattern typical of this species in its native habitat.

Sulawesi Cuckoo

Song

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

Conservation Status

Least Concern

Chestnut-winged Cuckoo

Least Concern

Sulawesi Cuckoo

How to Tell Them Apart

Chestnut-winged Cuckoo

Sulawesi Cuckoo

Plumage

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

About These Birds

Chestnut-winged Cuckoo

Chestnut-winged Cuckoo (Clamator coromandus) — 45–50 cm. Black crest; white collar; black-and-chestnut wings; orange-buff underparts; long dark tail. Migratory; breeds in the Himalayas, South and Southeast Asia; winters to Sri Lanka and the Greater Sundas. Brood parasite targeting babblers and other hosts. Insectivore.

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.

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