Sulawesi Cuckoo vs Common Hawk-Cuckoo

Cuculus crassirostris verglichen mit Hierococcyx varius

Side-by-Side Comparison

Merkmal Sulawesi Cuckoo Common Hawk-Cuckoo
Wissenschaftlicher Name Cuculus crassirostris Hierococcyx varius
Ordnung Cuculiformes Cuculiformes
Familie Cuculidae Cuculidae
Erhaltungsstatus Least Concern Least Concern
Länge
Flügelspannweite 41,2 cm (16.2 in) 38,2 cm (15.0 in)
Gewicht 85,0 g (3.00 oz) 101,5 g (3.58 oz)
Ernährung -- --
Gelegegröße -- 2
Population Trend

Habitat Comparison

Gemeinsame Lebensräume

Sulawesi Cuckoo only

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Common Hawk-Cuckoo only

Song & Call Comparison

Sulawesi Cuckoo

Gesang

Loud, raucous call with harsh quality; penetrating notes carrying through dense forest in Asia. Vocalization pattern typical of this species in its native habitat.

Common Hawk-Cuckoo

Gesang

Loud, raucous call with harsh quality; penetrating far-carrying notes given from forest canopy. Vocalization pattern typical of this species in its native habitat.

Erhaltungsstatus

Least Concern

Sulawesi Cuckoo

Least Concern

Common Hawk-Cuckoo

How to Tell Them Apart

Sulawesi Cuckoo

Gefieder

Sulawesi Cuckoo: dark gray-brown above; pale below; long dark tail; yellow orbital ring; Sulawesi endemic; larger than most Cuculus

Common Hawk-Cuckoo

Gefieder

Common Hawk-Cuckoo: gray above; white below with rufous barring; hawk-mimic; long barred tail; yellow eye-ring; brain-fever bird

About These Birds

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.

Common Hawk-Cuckoo

Common Hawk-Cuckoo (Hierococcyx varius) — 34–38 cm. Grey above; pale below with rufous streaking; hawk-like flight; barred tail. Widespread across the Indian subcontinent in forest, woodland, and plantation. Brood parasite targeting babblers. Insectivore. Its frantic rising call of 'brain-fever' is iconic in South Asian soundscapes.

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