Sulawesi Cuckoo vs Eastern Koel
Cuculus crassirostris compared with Eudynamys orientalis
Side-by-Side Comparison
| Attribute | Sulawesi Cuckoo | Eastern Koel |
|---|---|---|
| Scientific Name | Cuculus crassirostris | Eudynamys orientalis |
| Order | Cuculiformes | Cuculiformes |
| Family | Cuculidae | Cuculidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 41.2 cm (16.2 in) | 42.0 cm (16.5 in) |
| Weight | 85.0 g (3.00 oz) | 239.33333333333334 g (8.44 oz) |
| Diet | -- | -- |
| Clutch Size | -- | 1 |
| 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.
Eastern Koel
Loud, far-carrying resonant call; deep musical notes audible through dense tropical forest in Sumatra.
Conservation Status
Sulawesi Cuckoo
Eastern Koel
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
Eastern Koel
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.
Eastern Koel
Eastern Koel (Eudynamys orientalis) — 38–46 cm. Male glossy black; female brown with heavy spotting; pale green bill; red eye; long tail. Ranges across Southeast Asia, New Guinea, and Australia; migrates to Australia in spring. Brood parasite targeting magpies and friarbirds. Frugivore; disperses rainforest seeds.