Sulawesi Cuckoo vs Yellow-billed Malkoha
Cuculus crassirostris compared with Rhamphococcyx calyorhynchus
Side-by-Side Comparison
| Attribute | Sulawesi Cuckoo | Yellow-billed Malkoha |
|---|---|---|
| Scientific Name | Cuculus crassirostris | Rhamphococcyx calyorhynchus |
| Order | Cuculiformes | Cuculiformes |
| Family | Cuculidae | Cuculidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 41.2 cm (16.2 in) | 35.2 cm (13.9 in) |
| Weight | 85.0 g (3.00 oz) | 117.0 g (4.13 oz) |
| Diet | -- | -- |
| Clutch Size | -- | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
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.
Yellow-billed Malkoha
Loud, far-carrying plaintive whistle; pure melodic notes audible through open tropical scrub habitat.
Conservation Status
Sulawesi Cuckoo
Yellow-billed Malkoha
How to Tell Them Apart
Sulawesi Cuckoo
Sulawesi Cuckoo: dark gray-brown above; pale below; long dark tail; yellow orbital ring; Sulawesi endemic; larger than most Cuculus
Yellow-billed Malkoha
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.
Yellow-billed Malkoha
Yellow-billed Malkoha (Rhamphococcyx calyorhynchus) — 45–50 cm. Bronze-green above; chestnut-red underparts; yellow bill; bare red orbital skin; long tail. Endemic to Sulawesi and nearby islands in primary and secondary forest. Non-parasitic. Insectivore.