Black-billed Coucal vs Sulawesi Cuckoo
Centropus bernsteini compared with Cuculus crassirostris
Side-by-Side Comparison
| Attribute | Black-billed Coucal | Sulawesi Cuckoo |
|---|---|---|
| Scientific Name | Centropus bernsteini | Cuculus crassirostris |
| Order | Cuculiformes | Cuculiformes |
| Family | Cuculidae | Cuculidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 37.2 cm (14.6 in) | 41.2 cm (16.2 in) |
| Weight | 162.5 g (5.73 oz) | 85.0 g (3.00 oz) |
| Diet | -- | -- |
| Clutch Size | 2 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Black-billed Coucal
Loud, clear whistled call with carrying quality; rich musical notes audible through dense humid forest.
Sulawesi Cuckoo
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
Black-billed Coucal
Sulawesi Cuckoo
How to Tell Them Apart
Black-billed Coucal
Sulawesi Cuckoo
Sulawesi Cuckoo: dark gray-brown above; pale below; long dark tail; yellow orbital ring; Sulawesi endemic; larger than most Cuculus
About These Birds
Black-billed Coucal
Black-billed Coucal (Centropus bernsteini) — 40–44 cm. Rufous-chestnut back and wings; black head and underparts; all-black bill. Restricted to northern and western New Guinea in lowland forest and scrub. Non-parasitic. Omnivore.
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.