Black-billed Cuckoo vs Rufous-winged Ground-cuckoo
Coccyzus erythropthalmus so với Neomorphus rufipennis
Side-by-Side Comparison
| Thuộc Tính | Black-billed Cuckoo | Rufous-winged Ground-cuckoo |
|---|---|---|
| Tên Khoa Học | Coccyzus erythropthalmus | Neomorphus rufipennis |
| Bộ | Cuculiformes | Cuculiformes |
| Họ | Cuculidae | Cuculidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 27,4 cm (10.8 in) | 34,1 cm (13.4 in) |
| Khối Lượng | 53,20000000000001 g (1.88 oz) | 381,25 g (13.45 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 2-5 | -- |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Black-billed Cuckoo only
Không
Rufous-winged Ground-cuckoo only
Không
Song & Call Comparison
Black-billed Cuckoo
Loud, far-carrying resonant call; deep notes audible across dense forest in Asia. 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.
Tình Trạng Bảo Tồn
Black-billed Cuckoo
Rufous-winged Ground-cuckoo
How to Tell Them Apart
Black-billed Cuckoo
Gray-capped Cuckoo: gray cap; brown above; pale below; graduated dark tail; South American species; forest cuckoo
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
Black-billed Cuckoo
Black-billed Cuckoo (Coccyzus erythropthalmus) — 26–31 cm. Brown above; white below; all-dark bill; narrow red orbital ring; tail with small white spots. Migratory breeder in eastern North America; winters in South America. Non-parasitic. Insectivore specialising in tent caterpillars and other hairy larvae.
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.