Sulawesi Cuckoo vs Lesser Cuckoo
Cuculus crassirostris compared with Cuculus poliocephalus
Side-by-Side Comparison
| Attribute | Sulawesi Cuckoo | Lesser Cuckoo |
|---|---|---|
| Scientific Name | Cuculus crassirostris | Cuculus poliocephalus |
| Order | Cuculiformes | Cuculiformes |
| Family | Cuculidae | Cuculidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 41.2 cm (16.2 in) | 30.8 cm (12.1 in) |
| Weight | 85.0 g (3.00 oz) | 51.5 g (1.82 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.
Lesser Cuckoo
Loud, far-carrying call; penetrating resonant notes given repeatedly from dense African forest canopy.
Conservation Status
Sulawesi Cuckoo
Lesser Cuckoo
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
Lesser Cuckoo
Lesser Cuckoo: gray above; white below with rufous barring; slender; long dark tail; yellow eye-ring; smaller than Common Cuckoo
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.
Lesser Cuckoo
Lesser Cuckoo (Cuculus poliocephalus) — 25–28 cm. Grey above; whitish below with black barring; yellow orbital ring; long tail. Migratory; breeds across South and East Asia from Afghanistan to Japan; winters to East Africa and South Asia. Brood parasite targeting warblers. Insectivore.