Chestnut-breasted Cuckoo vs Sulawesi Cuckoo

Cacomantis castaneiventris compared with Cuculus crassirostris

Side-by-Side Comparison

Attribute Chestnut-breasted Cuckoo Sulawesi Cuckoo
Scientific Name Cacomantis castaneiventris Cuculus crassirostris
Order Cuculiformes Cuculiformes
Family Cuculidae Cuculidae
Conservation Status Least Concern Least Concern
Length
Wingspan 22.1 cm (8.7 in) 41.2 cm (16.2 in)
Weight 31.5 g (1.11 oz) 85.0 g (3.00 oz)
Diet -- --
Clutch Size -- --
Population Trend

Habitat Comparison

Shared Habitats

Chestnut-breasted Cuckoo only

Sulawesi Cuckoo only

None

Song & Call Comparison

Chestnut-breasted Cuckoo

Song

Loud, far-carrying resonant call with chestnut-breasted quality; deep hollow notes carrying through Pacific forest.

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.

Conservation Status

Least Concern

Chestnut-breasted Cuckoo

Least Concern

Sulawesi Cuckoo

How to Tell Them Apart

Chestnut-breasted Cuckoo

Plumage

Chestnut-breasted Cuckoo: rich chestnut breast; gray-brown above; pale belly; long dark tail; red orbital ring; bold chestnut breast

Sulawesi Cuckoo

Plumage

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

About These Birds

Chestnut-breasted Cuckoo

Chestnut-breasted Cuckoo (Cacomantis castaneiventris) — 20–24 cm. Grey above; bright chestnut breast and belly; grey chin; yellow orbital ring. Restricted to rainforest and forest edge of Cape York Peninsula, Australia, and southern New Guinea. Brood parasite targeting gerygones. Insectivore.

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.

More Birds to Explore

Explore the Nature FYI Family