Green-billed Coucal vs Indian Cuckoo
Centropus chlororhynchos compared with Cuculus micropterus
Side-by-Side Comparison
| Attribute | Green-billed Coucal | Indian Cuckoo |
|---|---|---|
| Scientific Name | Centropus chlororhynchos | Cuculus micropterus |
| Order | Cuculiformes | Cuculiformes |
| Family | Cuculidae | Cuculidae |
| Conservation Status | Vulnerable | Least Concern |
| Length | — | — |
| Wingspan | 33.0 cm (13.0 in) | 39.3 cm (15.5 in) |
| Weight | 244.4 g (8.62 oz) | 120.5 g (4.25 oz) |
| Diet | -- | -- |
| Clutch Size | 2-3 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Green-billed Coucal
Loud, nasal call with carrying quality; distinctive resonant notes given from tall African forest tree.
Indian Cuckoo
Loud, far-carrying raucous call; harsh penetrating notes given from tall dense forest canopy. Vocalization pattern typical of this species in its native habitat.
Conservation Status
Green-billed Coucal
Indian Cuckoo
How to Tell Them Apart
Green-billed Coucal
Indian Cuckoo
Indian Cuckoo: gray above; white below with bold dark barring; four-note call; long dark tail; yellow eye-ring; common Asian species
About These Birds
Green-billed Coucal
Green-billed Coucal (Centropus chlororhynchos) — 43–47 cm. Blue-black with a long graduated tail; pale greenish bill. Endemic to Sri Lanka in wet forest and dense riverine scrub. Non-parasitic. Omnivore; hunts lizards, large insects, and frogs. Vulnerable; highly forest-dependent and threatened by ongoing deforestation.
Indian Cuckoo
Indian Cuckoo (Cuculus micropterus) — 32–34 cm. Grey above; barred underparts; yellow orbital ring; broad dark subterminal tail band. Migratory; widespread from India through Southeast Asia and China to Korea and Japan. Brood parasite targeting drongos and other medium passerines. Insectivore. Famous four-note 'one more bottle' call.