Great Spotted Cuckoo vs Sulawesi Cuckoo
Clamator glandarius compared with Cuculus crassirostris
Side-by-Side Comparison
| Attribute | Great Spotted Cuckoo | Sulawesi Cuckoo |
|---|---|---|
| Scientific Name | Clamator glandarius | Cuculus crassirostris |
| Order | Cuculiformes | Cuculiformes |
| Family | Cuculidae | Cuculidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 38.8 cm (15.3 in) | 41.2 cm (16.2 in) |
| Weight | 145.95000000000002 g (5.15 oz) | 85.0 g (3.00 oz) |
| Diet | -- | -- |
| Clutch Size | 15-23 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Great Spotted Cuckoo
Loud, bubbling resonant call; rich liquid notes cascading in sequence from forest perch in Africa. Vocalization pattern typical of this species in its native habitat.
Sulawesi Cuckoo
Loud, raucous call with harsh quality; penetrating notes carrying through dense forest in Asia. Vocalization pattern typical of this species in its native habitat.
Conservation Status
Great Spotted Cuckoo
Sulawesi Cuckoo
How to Tell Them Apart
Great Spotted Cuckoo
Sulawesi Cuckoo
Sulawesi Cuckoo: dark gray-brown above; pale below; long dark tail; yellow orbital ring; Sulawesi endemic; larger than most Cuculus
About These Birds
Great Spotted Cuckoo
Great Spotted Cuckoo (Clamator glandarius) — 38–42 cm. Grey crest; white-spotted dark upperparts; pale underparts; long tail. Migratory breeder in southern Europe and western Asia; winters in Africa. Brood parasite primarily targeting magpies and crows. Insectivore feeding on hairy caterpillars and invertebrates.
Sulawesi Cuckoo
Sulawesi Cuckoo (Cuculus crassirostris) — 30–34 cm. Dark grey above; pale below with bold brown-grey barring; heavier bill than most Cuculus. Endemic to Sulawesi in montane forest. Brood parasite. Insectivore. Poorly known.