Sulawesi Cuckoo vs Large Hawk-Cuckoo
Cuculus crassirostris compared with Hierococcyx sparverioides
Side-by-Side Comparison
| Attribute | Sulawesi Cuckoo | Large Hawk-Cuckoo |
|---|---|---|
| Scientific Name | Cuculus crassirostris | Hierococcyx sparverioides |
| Order | Cuculiformes | Cuculiformes |
| Family | Cuculidae | Cuculidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 41.2 cm (16.2 in) | 47.0 cm (18.5 in) |
| Weight | 85.0 g (3.00 oz) | 144.75 g (5.11 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.
Large Hawk-Cuckoo
Loud, far-carrying call; powerful resonant notes carrying across dense forest in South Asia. Vocalization pattern typical of this species in its native habitat.
Conservation Status
Sulawesi Cuckoo
Large Hawk-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
Large Hawk-Cuckoo
Large Hawk-Cuckoo: gray-brown above; white below with rufous streaking; hawk-like; long tail; yellow eye-ring; large size; streaked
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.
Large Hawk-Cuckoo
Large Hawk-Cuckoo (Hierococcyx sparverioides) — 38–42 cm. The largest hawk-cuckoo; grey above; whitish below with heavy rufous streaking; barred tail. Inhabits forest and forest edge from the Himalayas through Southeast Asia and China. Migratory. Brood parasite. Insectivore. Famous for its 'brain-fever' call accelerating to a frenzied pitch.