Sulawesi Cuckoo vs Fork-tailed Drongo-cuckoo
Cuculus crassirostris compared with Surniculus dicruroides
Side-by-Side Comparison
| Attribute | Sulawesi Cuckoo | Fork-tailed Drongo-cuckoo |
|---|---|---|
| Scientific Name | Cuculus crassirostris | Surniculus dicruroides |
| Order | Cuculiformes | Cuculiformes |
| Family | Cuculidae | Cuculidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 41.2 cm (16.2 in) | 27.2 cm (10.7 in) |
| Weight | 85.0 g (3.00 oz) | 34.96666666666667 g (1.23 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.
Fork-tailed Drongo-cuckoo
Loud, far-carrying call with harsh quality; penetrating rough notes given from tall forest canopy. Vocalization pattern typical of this species in its native habitat.
Conservation Status
Sulawesi Cuckoo
Fork-tailed Drongo-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
Fork-tailed Drongo-cuckoo
Fork-tailed Drongo-cuckoo: glossy black; deeply forked tail; drongo mimic; pale tail base; red eye; southeast Asian species
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.
Fork-tailed Drongo-cuckoo
Fork-tailed Drongo-cuckoo (Surniculus dicruroides) — 25–28 cm. Glossy black with forked tail; resembles drongo closely; fine white barring on vent. Found across the Indian subcontinent and Southeast Asia in forest and forest edge. Brood parasite; mimics drongos to approach host nests. Insectivore.