Common Hawk-Cuckoo vs Rufous-winged Ground-cuckoo
Hierococcyx varius verglichen mit Neomorphus rufipennis
Side-by-Side Comparison
| Merkmal | Common Hawk-Cuckoo | Rufous-winged Ground-cuckoo |
|---|---|---|
| Wissenschaftlicher Name | Hierococcyx varius | Neomorphus rufipennis |
| Ordnung | Cuculiformes | Cuculiformes |
| Familie | Cuculidae | Cuculidae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | — | — |
| Flügelspannweite | 38,2 cm (15.0 in) | 34,1 cm (13.4 in) |
| Gewicht | 101,5 g (3.58 oz) | 381,25 g (13.45 oz) |
| Ernährung | -- | -- |
| Gelegegröße | 2 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Common Hawk-Cuckoo
Loud, raucous call with harsh quality; penetrating far-carrying notes given from forest canopy. 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.
Erhaltungsstatus
Common Hawk-Cuckoo
Rufous-winged Ground-cuckoo
How to Tell Them Apart
Common Hawk-Cuckoo
Common Hawk-Cuckoo: gray above; white below with rufous barring; hawk-mimic; long barred tail; yellow eye-ring; brain-fever bird
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
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.
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.