Sulawesi Cuckoo vs Long-tailed Koel
Cuculus crassirostris compared with Urodynamis taitensis
Side-by-Side Comparison
| Attribute | Sulawesi Cuckoo | Long-tailed Koel |
|---|---|---|
| Scientific Name | Cuculus crassirostris | Urodynamis taitensis |
| Order | Cuculiformes | Cuculiformes |
| Family | Cuculidae | Cuculidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 41.2 cm (16.2 in) | 34.4 cm (13.5 in) |
| Weight | 85.0 g (3.00 oz) | 113.5 g (4.00 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.
Long-tailed Koel
Deep, hollow resonant call; powerful low notes carrying through dense tropical forest in Southeast Asia.
Conservation Status
Sulawesi Cuckoo
Long-tailed 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
Long-tailed 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.
Long-tailed Koel
Long-tailed Koel (Urodynamis taitensis) — 40–43 cm; tail up to 22 cm. Slender; brown above with white spots; pale underparts with brown streaking; very long pointed tail. Migrates from New Zealand and Pacific islands to Melanesia and Micronesia. Brood parasite targeting reed-warblers. Frugivore and insectivore.