Sulawesi Cuckoo vs Moustached Hawk-Cuckoo

Cuculus crassirostris compared with Hierococcyx vagans

Side-by-Side Comparison

Attribute Sulawesi Cuckoo Moustached Hawk-Cuckoo
Scientific Name Cuculus crassirostris Hierococcyx vagans
Order Cuculiformes Cuculiformes
Family Cuculidae Cuculidae
Conservation Status Least Concern Near Threatened
Length — —
Wingspan 41.2 cm (16.2 in) 29.4 cm (11.6 in)
Weight 85.0 g (3.00 oz) 58.2 g (2.05 oz)
Diet -- --
Clutch Size -- --
Population Trend — —

Habitat Comparison

Shared Habitats

Sulawesi Cuckoo only

None

Moustached Hawk-Cuckoo only

None

Song & Call Comparison

Sulawesi Cuckoo

Song

Loud, raucous call with harsh quality; penetrating notes carrying through dense forest in Asia. Vocalization pattern typical of this species in its native habitat.

Moustached Hawk-Cuckoo

Song

Loud, raucous accelerating call; harsh notes building quickly in urgency given from forest perch. Vocalization pattern typical of this species in its native habitat.

Conservation Status

Least Concern

Sulawesi Cuckoo

Near Threatened

Moustached Hawk-Cuckoo

How to Tell Them Apart

Sulawesi Cuckoo

Plumage

Sulawesi Cuckoo: dark gray-brown above; pale below; long dark tail; yellow orbital ring; Sulawesi endemic; larger than most Cuculus

Moustached Hawk-Cuckoo

Plumage

Moustached Hawk-Cuckoo: brown above; white below with rufous barring; moustachial stripe; hawk-like barred pattern; yellow eye-ring

About These Birds

Sulawesi Cuckoo

Sulawesi Cuckoo (Cuculus crassirostris) — 30–34 cm. Dark grey above; pale below with bold brown-grey barring; heavier bill than most Cuculus. Endemic to Sulawesi in montane forest. Brood parasite. Insectivore. Poorly known.

Moustached Hawk-Cuckoo

Moustached Hawk-Cuckoo (Hierococcyx vagans) — 28–31 cm. Hawk-like; brown above; pale below with rufous-streaked breast; bold moustachial stripe; barred tail. Inhabits hill forest of the Malay Peninsula, Sumatra, and Borneo. Brood parasite; mimics Accipiter sparrowhawks. Insectivore.

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