Green-billed Coucal vs African Cuckoo

Centropus chlororhynchos compared with Cuculus gularis

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Side-by-Side Comparison

Attribute Green-billed Coucal African Cuckoo
Scientific Name Centropus chlororhynchos Cuculus gularis
Order Cuculiformes Cuculiformes
Family Cuculidae Cuculidae
Conservation Status Vulnerable Least Concern
Length
Wingspan 33.0 cm (13.0 in) 41.8 cm (16.5 in)
Weight 244.4 g (8.62 oz) 105.0 g (3.70 oz)
Diet -- --
Clutch Size 2-3 --
Population Trend
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Habitat Comparison

Shared Habitats

Green-billed Coucal only

None

African Cuckoo only

None

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Song & Call Comparison

Green-billed Coucal

Song

Loud, nasal call with carrying quality; distinctive resonant notes given from tall African forest tree.

African Cuckoo

Song

Loud, far-carrying raucous call; harsh penetrating notes given from tall African forest canopy. Vocalization pattern typical of this species in its native habitat.

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Conservation Status

Vulnerable

Green-billed Coucal

Least Concern

African Cuckoo

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How to Tell Them Apart

Green-billed Coucal

Plumage

Sunda Coucal: dark glossy brown above; rufous wings; pale buff-cream below; long graduated dark tail; red eye; forest-dwelling

African Cuckoo

Plumage

African Cuckoo: gray above; white below with rufous barring; long dark tail; yellow eye-ring; African migrant similar to Common

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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.

African Cuckoo

African Cuckoo (Cuculus gularis) — 32–35 cm. Very similar to Common Cuckoo; grey above; barred below; yellow bill base and orbital ring; long tail. Migratory intra-African breeder across sub-Saharan woodland and savanna. Brood parasite primarily targeting fork-tailed drongos. Insectivore.

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