Green-billed Coucal vs Sulawesi Cuckoo
Centropus chlororhynchos compared with Cuculus crassirostris
Side-by-Side Comparison
| Attribute | Green-billed Coucal | Sulawesi Cuckoo |
|---|---|---|
| Scientific Name | Centropus chlororhynchos | Cuculus crassirostris |
| Order | Cuculiformes | Cuculiformes |
| Family | Cuculidae | Cuculidae |
| Conservation Status | Vulnerable | Least Concern |
| Length | — | — |
| Wingspan | 33.0 cm (13.0 in) | 41.2 cm (16.2 in) |
| Weight | 244.4 g (8.62 oz) | 85.0 g (3.00 oz) |
| Diet | -- | -- |
| Clutch Size | 2-3 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Green-billed Coucal
Loud, nasal call with carrying quality; distinctive resonant notes given from tall African forest tree.
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
Green-billed Coucal
Sulawesi Cuckoo
How to Tell Them Apart
Green-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
Green-billed Coucal
Green-billed Coucal (Centropus chlororhynchos) — 43–47 cm. Blue-black with a long graduated tail; pale greenish bill. Endemic to Sri Lanka in wet forest and dense riverine scrub. Non-parasitic. Omnivore; hunts lizards, large insects, and frogs. Vulnerable; highly forest-dependent and threatened by ongoing deforestation.
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.