White-crowned Cuckoo vs Sulawesi Cuckoo
Caliechthrus leucolophus compared with Cuculus crassirostris
Side-by-Side Comparison
| Attribute | White-crowned Cuckoo | Sulawesi Cuckoo |
|---|---|---|
| Scientific Name | Caliechthrus leucolophus | Cuculus crassirostris |
| Order | Cuculiformes | Cuculiformes |
| Family | Cuculidae | Cuculidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 34.8 cm (13.7 in) | 41.2 cm (16.2 in) |
| Weight | 112.75 g (3.98 oz) | 85.0 g (3.00 oz) |
| Diet | -- | -- |
| Clutch Size | -- | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
White-crowned Cuckoo
Loud, resonant call with musical quality; rich carrying notes building in sequence from forest perch.
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.
Conservation Status
White-crowned Cuckoo
Sulawesi Cuckoo
How to Tell Them Apart
White-crowned Cuckoo
White-crowned Cuckoo: white crown; dark brown mantle; pale below; long dark tail; distinctive white crown contrasting dark body
Sulawesi Cuckoo
Sulawesi Cuckoo: dark gray-brown above; pale below; long dark tail; yellow orbital ring; Sulawesi endemic; larger than most Cuculus
About These Birds
White-crowned Cuckoo
White-crowned Cuckoo (Caliechthrus leucolophus) — 30–34 cm. Striking; black-and-white; white crown and underparts; black back and wings; long tail. Inhabits lowland forest and forest edge of New Guinea. Brood parasite; hosts include whistlers. Insectivore.
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.