Rufous-vented Ground-cuckoo vs Rufous-winged Ground-cuckoo
Neomorphus geoffroyi compared with Neomorphus rufipennis
Side-by-Side Comparison
| Attribute | Rufous-vented Ground-cuckoo | Rufous-winged Ground-cuckoo |
|---|---|---|
| Scientific Name | Neomorphus geoffroyi | Neomorphus rufipennis |
| Order | Cuculiformes | Cuculiformes |
| Family | Cuculidae | Cuculidae |
| Conservation Status | Vulnerable | Least Concern |
| Length | — | — |
| Wingspan | 33.0 cm (13.0 in) | 34.1 cm (13.4 in) |
| Weight | 350.2 g (12.35 oz) | 381.25 g (13.45 oz) |
| Diet | -- | -- |
| Clutch Size | 1-2 | -- |
| Population Trend | — | — |
Habitat Comparison
Shared Habitats
Rufous-vented Ground-cuckoo only
None
Rufous-winged Ground-cuckoo only
None
Song & Call Comparison
Rufous-vented Ground-cuckoo
Deep, hollow booming call; resonant bass notes carrying surprisingly far across dense tropical forest floor.
Rufous-winged Ground-cuckoo
Deep, hollow resonant call; powerful low-frequency sound carrying across dense lowland tropical forest floor.
Conservation Status
Rufous-vented Ground-cuckoo
Rufous-winged Ground-cuckoo
How to Tell Them Apart
Rufous-vented Ground-cuckoo
Scaled Ground-cuckoo: pale buff below with dark scaling; brown above; blue orbital skin; long tail; banded underparts; runs on ground
Rufous-winged Ground-cuckoo
Pheasant Coucal: dark glossy black head and body; rufous-brown wings; strongly barred dark tail; reddish eye; terrestrial habits
About These Birds
Rufous-vented Ground-cuckoo
Rufous-vented Ground-cuckoo (Neomorphus geoffroyi) — 46–50 cm. Bronzy-brown above; buff below; rufous vent; bare blue facial skin; decurved bill. Inhabits humid lowland forest from Mexico to South America. Non-parasitic; follows army ant swarms to catch flushed prey. Rare and secretive. Insectivore.
Rufous-winged Ground-cuckoo
Rufous-winged Ground-cuckoo (Neomorphus rufipennis) — 46–50 cm. Bronze-green above; rufous wing panels; pale buff below. Found in humid forest of Venezuela, Guyana, and northern Brazil. Non-parasitic; follows army ants. Insectivore and small vertebrate predator. Rarely encountered; Near Threatened.