African Emerald Cuckoo vs Lesser Cuckoo

Chrysococcyx cupreus compared with Cuculus poliocephalus

Side-by-Side Comparison

Attribute African Emerald Cuckoo Lesser Cuckoo
Scientific Name Chrysococcyx cupreus Cuculus poliocephalus
Order Cuculiformes Cuculiformes
Family Cuculidae Cuculidae
Conservation Status Least Concern Least Concern
Length
Wingspan 21.1 cm (8.3 in) 30.8 cm (12.1 in)
Weight 38.0 g (1.34 oz) 51.5 g (1.82 oz)
Diet -- --
Clutch Size -- --
Population Trend

Habitat Comparison

Shared Habitats

None

African Emerald Cuckoo only

None

Lesser Cuckoo only

Song & Call Comparison

African Emerald Cuckoo

Song

Deep, hollow resonant booming call; powerful low notes carrying far through dense tropical forest. Vocalization pattern typical of this species in its native habitat.

Lesser Cuckoo

Song

Loud, far-carrying call; penetrating resonant notes given repeatedly from dense African forest canopy.

Conservation Status

Least Concern

African Emerald Cuckoo

Least Concern

Lesser Cuckoo

How to Tell Them Apart

African Emerald Cuckoo

Lesser Cuckoo

Plumage

Lesser Cuckoo: gray above; white below with rufous barring; slender; long dark tail; yellow eye-ring; smaller than Common Cuckoo

About These Birds

African Emerald Cuckoo

African Emerald Cuckoo (Chrysococcyx cupreus) — 20–22 cm. Male: dazzling emerald green above and on breast; yellow belly; red bill. Female: bronze-green above; rufous-barred below. Inhabits primary forest and dense secondary growth across West and Central Africa. Brood parasite targeting sunbirds and other small passerines. Insectivore.

Lesser Cuckoo

Lesser Cuckoo (Cuculus poliocephalus) — 25–28 cm. Grey above; whitish below with black barring; yellow orbital ring; long tail. Migratory; breeds across South and East Asia from Afghanistan to Japan; winters to East Africa and South Asia. Brood parasite targeting warblers. Insectivore.

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