Sumatran Ground-cuckoo vs Lesser Roadrunner
Carpococcyx viridis compared with Geococcyx velox
Side-by-Side Comparison
| Attribute | Sumatran Ground-cuckoo | Lesser Roadrunner |
|---|---|---|
| Scientific Name | Carpococcyx viridis | Geococcyx velox |
| Order | Cuculiformes | Cuculiformes |
| Family | Cuculidae | Cuculidae |
| Conservation Status | Critically Endangered | Least Concern |
| Length | — | — |
| Wingspan | 42.2 cm (16.6 in) | 28.3 cm (11.1 in) |
| Weight | 495.7 g (17.49 oz) | 184.1 g (6.49 oz) |
| Diet | -- | -- |
| Clutch Size | -- | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Sumatran Ground-cuckoo
Deep, resonant whistled call; melodic notes with carrying quality audible through dense woodland habitat.
Lesser Roadrunner
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
Sumatran Ground-cuckoo
Lesser Roadrunner
About These Birds
Sumatran Ground-cuckoo
Sumatran Ground-cuckoo (Carpococcyx viridis) — 52–58 cm. Bronzy-green above; pale buff below; bare red-and-yellow facial skin; long decurved bill; heavy build. Critically Endangered; restricted to lowland forest of Sumatra. Non-parasitic; terrestrial. Omnivore. Known from very few records; one of the rarest cuckoos in the world.
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.