Plaintive Cuckoo vs Sulawesi Cuckoo

Cacomantis merulinus compared with Cuculus crassirostris

Side-by-Side Comparison

Attribute Plaintive Cuckoo Sulawesi Cuckoo
Scientific Name Cacomantis merulinus Cuculus crassirostris
Order Cuculiformes Cuculiformes
Family Cuculidae Cuculidae
Conservation Status Least Concern Least Concern
Length
Wingspan 20.8 cm (8.2 in) 41.2 cm (16.2 in)
Weight 25.75 g (0.91 oz) 85.0 g (3.00 oz)
Diet -- --
Clutch Size -- --
Population Trend

Habitat Comparison

Shared Habitats

Plaintive Cuckoo only

Sulawesi Cuckoo only

None

Song & Call Comparison

Plaintive Cuckoo

Song

Loud, far-carrying resonant call; deep notes given from dense forest canopy in Africa. Vocalization pattern typical of this species in its native habitat.

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

Plaintive Cuckoo

Least Concern

Sulawesi Cuckoo

How to Tell Them Apart

Plaintive Cuckoo

Plumage

Plaintive Cuckoo: gray-brown above; rufous-orange below; long dark tail; yellow eye-ring; sexually dimorphic rufous morph females

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

Plaintive Cuckoo

Plaintive Cuckoo (Cacomantis merulinus) — 20–24 cm. Male: grey above; rufous-orange below; yellow orbital skin. Female: heavily barred morph often differs. Widespread in South and Southeast Asia from Bangladesh to the Philippines. Brood parasite targeting tailorbirds and other warblers. Insectivore. Named for its plaintive descending whistle.

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