Biak Coucal vs Sulawesi Cuckoo
Centropus chalybeus compared with Cuculus crassirostris
Side-by-Side Comparison
| Attribute | Biak Coucal | Sulawesi Cuckoo |
|---|---|---|
| Scientific Name | Centropus chalybeus | Cuculus crassirostris |
| Order | Cuculiformes | Cuculiformes |
| Family | Cuculidae | Cuculidae |
| Conservation Status | Near Threatened | Least Concern |
| Length | — | — |
| Wingspan | 39.1 cm (15.4 in) | 41.2 cm (16.2 in) |
| Weight | 244.4 g (8.62 oz) | 85.0 g (3.00 oz) |
| Diet | -- | -- |
| Clutch Size | -- | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Biak Coucal
Deep, booming resonant call; powerful low notes carrying impressively across African lowland forest floor.
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
Biak Coucal
Sulawesi Cuckoo
How to Tell Them Apart
Biak 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
Biak Coucal
Biak Coucal (Centropus chalybeus) — 42–48 cm. Glossy blue-black above; chestnut-rufous wings; pale buff underparts; heavy bill. Endemic to Biak Island, Irian Jaya, Indonesia. Inhabits lowland and foothill forest. Non-parasitic. Omnivore. Listed as Vulnerable due to its very restricted island range and ongoing habitat degradation.
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.