Cocos Cuckoo vs Sulawesi Cuckoo
Coccyzus ferrugineus compared with Cuculus crassirostris
Side-by-Side Comparison
| Attribute | Cocos Cuckoo | Sulawesi Cuckoo |
|---|---|---|
| Scientific Name | Coccyzus ferrugineus | Cuculus crassirostris |
| Order | Cuculiformes | Cuculiformes |
| Family | Cuculidae | Cuculidae |
| Conservation Status | Vulnerable | Least Concern |
| Length | — | — |
| Wingspan | 25.9 cm (10.2 in) | 41.2 cm (16.2 in) |
| Weight | 70.0 g (2.47 oz) | 85.0 g (3.00 oz) |
| Diet | -- | -- |
| Clutch Size | 1-2 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Cocos Cuckoo
Loud, resonant melodic call; rich notes building in musical sequence through dense tropical forest. 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
Cocos Cuckoo
Sulawesi Cuckoo
How to Tell Them Apart
Cocos 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
Cocos Cuckoo
Cocos Cuckoo (Coccyzus ferrugineus) — 31–35 cm. Richly rufous-brown above; cinnamon-buff below; graduated tail; yellow lower mandible. Endemic to Cocos Island, Costa Rica (a UNESCO World Heritage Site). Non-parasitic. Insectivore. Vulnerable due to its extremely restricted range and introduced predators.
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.