Sumatran Ground-cuckoo vs Sulawesi Cuckoo
Carpococcyx viridis compared with Cuculus crassirostris
Side-by-Side Comparison
| Attribute | Sumatran Ground-cuckoo | Sulawesi Cuckoo |
|---|---|---|
| Scientific Name | Carpococcyx viridis | Cuculus crassirostris |
| Order | Cuculiformes | Cuculiformes |
| Family | Cuculidae | Cuculidae |
| Conservation Status | Critically Endangered | Least Concern |
| Length | — | — |
| Wingspan | 42.2 cm (16.6 in) | 41.2 cm (16.2 in) |
| Weight | 495.7 g (17.49 oz) | 85.0 g (3.00 oz) |
| Diet | -- | -- |
| Clutch Size | -- | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Sumatran Ground-cuckoo
Deep, resonant whistled call; melodic notes with carrying quality audible through dense woodland 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
Sumatran Ground-cuckoo
Sulawesi Cuckoo
How to Tell Them Apart
Sumatran Ground-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
Sumatran Ground-cuckoo
Sumatran Ground-cuckoo (Carpococcyx viridis) — 52–58 cm. Bronzy-green above; pale buff below; bare red-and-yellow facial skin; long decurved bill; heavy build. Critically Endangered; restricted to lowland forest of Sumatra. Non-parasitic; terrestrial. Omnivore. Known from very few records; one of the rarest cuckoos in the world.
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.