Pearly-breasted Cuckoo vs Rufous-winged Ground-cuckoo
Coccyzus euleri compared with Neomorphus rufipennis
Side-by-Side Comparison
| Attribute | Pearly-breasted Cuckoo | Rufous-winged Ground-cuckoo |
|---|---|---|
| Scientific Name | Coccyzus euleri | Neomorphus rufipennis |
| Order | Cuculiformes | Cuculiformes |
| Family | Cuculidae | Cuculidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 26.3 cm (10.4 in) | 34.1 cm (13.4 in) |
| Weight | 52.46666666666667 g (1.85 oz) | 381.25 g (13.45 oz) |
| Diet | -- | -- |
| Clutch Size | 2-4 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Pearly-breasted Cuckoo
Loud, melodic call with clear quality; rich resonant notes carrying far through tropical forest. Vocalization pattern typical of this species in its native habitat.
Rufous-winged Ground-cuckoo
Deep, hollow resonant call; powerful low-frequency sound carrying across dense lowland tropical forest floor.
Conservation Status
Pearly-breasted Cuckoo
Rufous-winged Ground-cuckoo
How to Tell Them Apart
Pearly-breasted Cuckoo
Dwarf Cuckoo: smallest; rufous-brown above; pale buff below; rufous tail; yellow bill; smallest neotropical cuckoo species
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
Pearly-breasted Cuckoo
Pearly-breasted Cuckoo (Coccyzus euleri) — 26–30 cm. Brown above; white below with a faint pearly sheen; yellow lower mandible; tail with white spots. Inhabits forest and forest edge in northern and central South America. Non-parasitic. Insectivore. Partially migratory; less studied than its North American relatives.
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.