Sulawesi Cuckoo vs Red-billed Malkoha
Cuculus crassirostris compared with Zanclostomus javanicus
Side-by-Side Comparison
| Attribute | Sulawesi Cuckoo | Red-billed Malkoha |
|---|---|---|
| Scientific Name | Cuculus crassirostris | Zanclostomus javanicus |
| Order | Cuculiformes | Cuculiformes |
| Family | Cuculidae | Cuculidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 41.2 cm (16.2 in) | 28.8 cm (11.3 in) |
| Weight | 85.0 g (3.00 oz) | 115.5 g (4.07 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.
Red-billed Malkoha
Sharp, staccato chip note; clean emphatic sound repeated rhythmically from dense tropical scrub habitat.
Conservation Status
Sulawesi Cuckoo
Red-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
Red-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.
Red-billed Malkoha
Red-billed Malkoha (Zanclostomus javanicus) — 38–44 cm. Blue-green above with a rufous belly; bright red bill and bare red orbital skin; long white-tipped tail. Inhabits primary and tall secondary forest of the Malay Peninsula, Sumatra, and Java. Non-parasitic. Insectivore feeding on large caterpillars and invertebrates.