African Emerald Cuckoo vs Large Hawk-Cuckoo

Chrysococcyx cupreus compared with Hierococcyx sparverioides

Side-by-Side Comparison

Attribute African Emerald Cuckoo Large Hawk-Cuckoo
Scientific Name Chrysococcyx cupreus Hierococcyx sparverioides
Order Cuculiformes Cuculiformes
Family Cuculidae Cuculidae
Conservation Status Least Concern Least Concern
Length
Wingspan 21.1 cm (8.3 in) 47.0 cm (18.5 in)
Weight 38.0 g (1.34 oz) 144.75 g (5.11 oz)
Diet -- --
Clutch Size -- --
Population Trend

Habitat Comparison

Shared Habitats

None

African Emerald Cuckoo only

None

Large Hawk-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.

Large Hawk-Cuckoo

Song

Loud, far-carrying call; powerful resonant notes carrying across dense forest in South Asia. Vocalization pattern typical of this species in its native habitat.

Conservation Status

Least Concern

African Emerald Cuckoo

Least Concern

Large Hawk-Cuckoo

How to Tell Them Apart

African Emerald Cuckoo

Large Hawk-Cuckoo

Plumage

Large Hawk-Cuckoo: gray-brown above; white below with rufous streaking; hawk-like; long tail; yellow eye-ring; large size; streaked

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.

Large Hawk-Cuckoo

Large Hawk-Cuckoo (Hierococcyx sparverioides) — 38–42 cm. The largest hawk-cuckoo; grey above; whitish below with heavy rufous streaking; barred tail. Inhabits forest and forest edge from the Himalayas through Southeast Asia and China. Migratory. Brood parasite. Insectivore. Famous for its 'brain-fever' call accelerating to a frenzied pitch.

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