African Emerald Cuckoo vs Long-tailed Koel
Chrysococcyx cupreus compared with Urodynamis taitensis
Side-by-Side Comparison
| Attribute | African Emerald Cuckoo | Long-tailed Koel |
|---|---|---|
| Scientific Name | Chrysococcyx cupreus | Urodynamis taitensis |
| Order | Cuculiformes | Cuculiformes |
| Family | Cuculidae | Cuculidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 21.1 cm (8.3 in) | 34.4 cm (13.5 in) |
| Weight | 38.0 g (1.34 oz) | 113.5 g (4.00 oz) |
| Diet | -- | -- |
| Clutch Size | -- | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
African Emerald Cuckoo
Deep, hollow resonant booming call; powerful low notes carrying far through dense tropical forest. Vocalization pattern typical of this species in its native habitat.
Long-tailed Koel
Deep, hollow resonant call; powerful low notes carrying through dense tropical forest in Southeast Asia.
Conservation Status
African Emerald Cuckoo
Long-tailed Koel
How to Tell Them Apart
African Emerald Cuckoo
New Caledonian Bronze-cuckoo: bronze-green above; barred white below; island endemic; red eye; iridescent bronze-green; small size
Long-tailed Koel
White-eared Bronze-cuckoo: white ear patch; bronze-green above; barred white below; distinctive white ear spot; small cuckoo
About These Birds
African Emerald Cuckoo
African Emerald Cuckoo (Chrysococcyx cupreus) — 20–22 cm. Male: dazzling emerald green above and on breast; yellow belly; red bill. Female: bronze-green above; rufous-barred below. Inhabits primary forest and dense secondary growth across West and Central Africa. Brood parasite targeting sunbirds and other small passerines. Insectivore.
Long-tailed Koel
Long-tailed Koel (Urodynamis taitensis) — 40–43 cm; tail up to 22 cm. Slender; brown above with white spots; pale underparts with brown streaking; very long pointed tail. Migrates from New Zealand and Pacific islands to Melanesia and Micronesia. Brood parasite targeting reed-warblers. Frugivore and insectivore.