Grey-capped Cuckoo vs Sulawesi Cuckoo
Coccyzus lansbergi compared with Cuculus crassirostris
Side-by-Side Comparison
| Attribute | Grey-capped Cuckoo | Sulawesi Cuckoo |
|---|---|---|
| Scientific Name | Coccyzus lansbergi | Cuculus crassirostris |
| Order | Cuculiformes | Cuculiformes |
| Family | Cuculidae | Cuculidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 23.0 cm (9.1 in) | 41.2 cm (16.2 in) |
| Weight | 51.0 g (1.80 oz) | 85.0 g (3.00 oz) |
| Diet | -- | -- |
| Clutch Size | 2-5 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Grey-capped Cuckoo
Loud, harsh call with nasal penetrating quality; rough notes carrying through dense forest in Asia. Vocalization pattern typical of this species in its native habitat.
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
Grey-capped Cuckoo
Sulawesi Cuckoo
How to Tell Them Apart
Grey-capped Cuckoo
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
Grey-capped Cuckoo
Grey-capped Cuckoo (Coccyzus lansbergi) — 25–29 cm. Pale grey cap contrasting with brown back; rufous-buff underparts; yellow-based bill; white tail spots. Inhabits dry scrub and forest edge from Colombia and Venezuela south to Peru and Bolivia. Non-parasitic. 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.