Black-eared Cuckoo vs Guira Cuckoo
Chalcites osculans compared with Guira guira
Side-by-Side Comparison
| Attribute | Black-eared Cuckoo | Guira Cuckoo |
|---|---|---|
| Scientific Name | Chalcites osculans | Guira guira |
| Order | Cuculiformes | Cuculiformes |
| Family | Cuculidae | Cuculidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 23.0 cm (9.1 in) | 34.7 cm (13.7 in) |
| Weight | 32.0 g (1.13 oz) | 141.73333333333335 g (5.00 oz) |
| Diet | -- | Omnivore of open South American country; eats large insects, small frogs, lizards, and bird eggs. … |
| Clutch Size | -- | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Black-eared Cuckoo
Deep, resonant call with hollow quality; powerful low notes carrying through dense forest in Asia. Vocalization pattern typical of this species in its native habitat.
Guira Cuckoo
Loud, gurgling call with hollow quality; distinctive multi-tonal sound carrying across open African savanna.
Geographic Range & Migration
Black-eared Cuckoo
Guira Cuckoo
Found in open habitats across South America east of the Andes from Brazil to Argentina. Resident and gregarious.
Conservation Status
Black-eared Cuckoo
Guira Cuckoo
How to Tell Them Apart
Black-eared Cuckoo
Horsfield's Bronze-cuckoo (alt): bronze-green above; narrow white bars below; incomplete barring; reddish eye; typical Australian
Guira Cuckoo
Broad-billed Bronze-cuckoo: bronze-green above; broadly barred white below; wide bars; reddish eye; Australian bronze cuckoo
About These Birds
Black-eared Cuckoo
Black-eared Cuckoo (Chalcites osculans) — 18–20 cm. Brown above with bronzy wash; distinctive black ear-patch; pale buff underparts with faint barring; white supercilium. Inhabits arid and semi-arid scrubland and mulga of inland Australia. Brood parasite targeting speckled warblers and other scrub-dwelling hosts. Insectivore.
Guira Cuckoo
A distinctive, socially gregarious cuckoo (36-42 cm) found in open habitats across South America east of the Andes. Shaggy orange-rufous crest, streaked plumage, and long tail. Omnivore, feeding on insects, small vertebrates, and eggs. Often seen in noisy family groups.