Moluccan Cuckoo vs Lesser Roadrunner

Cacomantis aeruginosus compared with Geococcyx velox

Side-by-Side Comparison

Attribute Moluccan Cuckoo Lesser Roadrunner
Scientific Name Cacomantis aeruginosus Geococcyx velox
Order Cuculiformes Cuculiformes
Family Cuculidae Cuculidae
Conservation Status Least Concern Least Concern
Length
Wingspan 22.4 cm (8.8 in) 28.3 cm (11.1 in)
Weight 35.8 g (1.26 oz) 184.1 g (6.49 oz)
Diet -- --
Clutch Size -- 2-3
Population Trend

Habitat Comparison

Shared Habitats

None

Moluccan Cuckoo only

Lesser Roadrunner only

None

Song & Call Comparison

Moluccan Cuckoo

Song

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

Lesser Roadrunner

Song

Loud, call carrying far; distinctive hollow notes audible across dry open Central American terrain. Vocalization pattern typical of this species in its native habitat.

Conservation Status

Least Concern

Moluccan Cuckoo

Least Concern

Lesser Roadrunner

How to Tell Them Apart

Moluccan Cuckoo

Plumage

Moluccan Cuckoo: dark olive-brown above; pale buff below; long dark graduated tail; yellow eye-ring; Moluccan island endemic

Lesser Roadrunner

About These Birds

Moluccan Cuckoo

Moluccan Cuckoo (Cacomantis aeruginosus) — 22–25 cm. Brown above with greenish gloss; pale buff-rufous below; yellow orbital ring. Endemic to the Moluccas, Indonesia. Inhabits forest and forest edge. Brood parasite. Insectivore.

Lesser Roadrunner

Lesser Roadrunner (Geococcyx velox) — 46–52 cm. Similar to Greater Roadrunner but smaller with a more streaked breast. Found in dry scrub, open woodland, and arid valleys from Mexico to Nicaragua. Non-parasitic; carnivorous; eats insects and small vertebrates. Shares the same terrestrial running lifestyle as its northern relative.

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