Sulawesi Cuckoo vs Northern Hawk-Cuckoo
Cuculus crassirostris compared with Hierococcyx hyperythrus
Side-by-Side Comparison
| Attribute | Sulawesi Cuckoo | Northern Hawk-Cuckoo |
|---|---|---|
| Scientific Name | Cuculus crassirostris | Hierococcyx hyperythrus |
| Order | Cuculiformes | Cuculiformes |
| Family | Cuculidae | Cuculidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 41.2 cm (16.2 in) | 39.7 cm (15.6 in) |
| Weight | 85.0 g (3.00 oz) | 120.15 g (4.24 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.
Northern Hawk-Cuckoo
Loud, raucous call with harsh quality; penetrating notes carrying through dense forest in Philippines.
Conservation Status
Sulawesi Cuckoo
Northern 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
Northern Hawk-Cuckoo
Northern Hawk-Cuckoo: gray-brown above; white below with rufous streaking; hawk-like; long tail; yellow eye-ring; northern Asia
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.
Northern Hawk-Cuckoo
Northern Hawk-Cuckoo (Hierococcyx hyperythrus) — 29–32 cm. Grey above; rufous-orange breast graduating to barred belly; barred tail. Breeds in Russia and Korea; winters to Southeast Asia. Brood parasite targeting bush-warblers and flycatchers. Insectivore. Long-distance migrant.