Sulawesi Cuckoo vs Square-tailed Drongo-cuckoo
Cuculus crassirostris compared with Surniculus lugubris
Side-by-Side Comparison
| Attribute | Sulawesi Cuckoo | Square-tailed Drongo-cuckoo |
|---|---|---|
| Scientific Name | Cuculus crassirostris | Surniculus lugubris |
| Order | Cuculiformes | Cuculiformes |
| Family | Cuculidae | Cuculidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 41.2 cm (16.2 in) | 23.8 cm (9.4 in) |
| Weight | 85.0 g (3.00 oz) | 31.65 g (1.12 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.
Square-tailed Drongo-cuckoo
Loud, raucous call with harsh penetrating quality; rough notes given from tall forest tree. Vocalization pattern typical of this species in its native habitat.
Conservation Status
Sulawesi Cuckoo
Square-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
Square-tailed Drongo-cuckoo
Square-tailed Drongo-cuckoo: glossy black; square-cut tail; drongo mimic; pale tail tips; red eye; southeast Asian drongo mimic
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.
Square-tailed Drongo-cuckoo
Square-tailed Drongo-cuckoo (Surniculus lugubris) — 24–27 cm. Glossy blue-black overall; white vent barring; square-cut tail. Inhabits forest from the Himalayas through the Malay Peninsula to Borneo and the Philippines. Brood parasite mimicking drongos to penetrate nesting territories. Insectivore.