Grey-bellied Cuckoo vs Guira Cuckoo
Cacomantis passerinus compared with Guira guira
Side-by-Side Comparison
| Attribute | Grey-bellied Cuckoo | Guira Cuckoo |
|---|---|---|
| Scientific Name | Cacomantis passerinus | Guira guira |
| Order | Cuculiformes | Cuculiformes |
| Family | Cuculidae | Cuculidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 22.6 cm (8.9 in) | 34.7 cm (13.7 in) |
| Weight | 24.884999999999998 g (0.88 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
Shared Habitats
Guira Cuckoo only
Song & Call Comparison
Grey-bellied Cuckoo
Loud, melodic call with musical resonant quality; rich notes building in sequence from forest canopy.
Guira Cuckoo
Loud, gurgling call with hollow quality; distinctive multi-tonal sound carrying across open African savanna.
Geographic Range & Migration
Grey-bellied Cuckoo
Guira Cuckoo
Found in open habitats across South America east of the Andes from Brazil to Argentina. Resident and gregarious.
Conservation Status
Grey-bellied Cuckoo
Guira Cuckoo
How to Tell Them Apart
Grey-bellied Cuckoo
Grey-bellied Cuckoo: gray above; pale gray-white below; long dark tail; yellow eye-ring; female has rufous morph; southern Asia
Guira Cuckoo
Broad-billed Bronze-cuckoo: bronze-green above; broadly barred white below; wide bars; reddish eye; Australian bronze cuckoo
About These Birds
Grey-bellied Cuckoo
Grey-bellied Cuckoo (Cacomantis passerinus) — 21–24 cm. Grey above; pale grey below; yellow orbital ring. Inhabits open woodland, forest edge, and scrub across South Asia and Southeast Asia. Brood parasite targeting tailorbirds, babblers, and other passerines. 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.