African Cuckoo vs Common Hawk-Cuckoo

Cuculus gularis compared with Hierococcyx varius

Side-by-Side Comparison

Attribute African Cuckoo Common Hawk-Cuckoo
Scientific Name Cuculus gularis Hierococcyx varius
Order Cuculiformes Cuculiformes
Family Cuculidae Cuculidae
Conservation Status Least Concern Least Concern
Length — —
Wingspan 41.8 cm (16.5 in) 38.2 cm (15.0 in)
Weight 105.0 g (3.70 oz) 101.5 g (3.58 oz)
Diet -- --
Clutch Size -- 2
Population Trend — —

Habitat Comparison

Shared Habitats

African Cuckoo only

None

Common Hawk-Cuckoo only

Song & Call Comparison

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.

Common Hawk-Cuckoo

Song

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

Conservation Status

Least Concern

African Cuckoo

Least Concern

Common Hawk-Cuckoo

How to Tell Them Apart

African Cuckoo

Plumage

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

Common Hawk-Cuckoo

Plumage

Common Hawk-Cuckoo: gray above; white below with rufous barring; hawk-mimic; long barred tail; yellow eye-ring; brain-fever bird

About These Birds

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.

Common Hawk-Cuckoo

Common Hawk-Cuckoo (Hierococcyx varius) — 34–38 cm. Grey above; pale below with rufous streaking; hawk-like flight; barred tail. Widespread across the Indian subcontinent in forest, woodland, and plantation. Brood parasite targeting babblers. Insectivore. Its frantic rising call of 'brain-fever' is iconic in South Asian soundscapes.

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