Lesser Roadrunner vs Common Hawk-Cuckoo

Geococcyx velox compared with Hierococcyx varius

Side-by-Side Comparison

Attribute Lesser Roadrunner Common Hawk-Cuckoo
Scientific Name Geococcyx velox Hierococcyx varius
Order Cuculiformes Cuculiformes
Family Cuculidae Cuculidae
Conservation Status Least Concern Least Concern
Length
Wingspan 28.3 cm (11.1 in) 38.2 cm (15.0 in)
Weight 184.1 g (6.49 oz) 101.5 g (3.58 oz)
Diet -- --
Clutch Size 2-3 2
Population Trend

Habitat Comparison

Shared Habitats

None

Lesser Roadrunner only

None

Common Hawk-Cuckoo only

Song & Call Comparison

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.

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

Lesser Roadrunner

Least Concern

Common Hawk-Cuckoo

How to Tell Them Apart

Lesser Roadrunner

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

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.

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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