Groove-billed Ani vs Sulawesi Cuckoo

Crotophaga sulcirostris compared with Cuculus crassirostris

Side-by-Side Comparison

Attribute Groove-billed Ani Sulawesi Cuckoo
Scientific Name Crotophaga sulcirostris Cuculus crassirostris
Order Cuculiformes Cuculiformes
Family Cuculidae Cuculidae
Conservation Status Least Concern Least Concern
Length
Wingspan 25.9 cm (10.2 in) 41.2 cm (16.2 in)
Weight 80.3 g (2.83 oz) 85.0 g (3.00 oz)
Diet Insectivore of open country; eats grasshoppers, beetles, and hairy caterpillars. Forages near grazing animals that … --
Clutch Size 3-4 --
Population Trend

Habitat Comparison

Shared Habitats

None

Groove-billed Ani only

Sulawesi Cuckoo only

Song & Call Comparison

Groove-billed Ani

Song

Loud, far-carrying display call; deep hollow notes audible across open European grassland habitat at dawn.

Sulawesi Cuckoo

Song

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

Geographic Range & Migration

Groove-billed Ani

Found from southern Texas through Central America to South America. Resident in open country and agricultural areas.

Sulawesi Cuckoo

Conservation Status

Least Concern

Groove-billed Ani

Least Concern

Sulawesi Cuckoo

How to Tell Them Apart

Groove-billed Ani

Sulawesi Cuckoo

Plumage

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

About These Birds

Groove-billed Ani

A medium-sized, all-black cuckoo (30-34 cm) with a grooved bill. Found from southern Texas through Central America to South America. Similar to Smooth-billed Ani but smaller with a smooth-ridged bill. Gregarious; communal nester. Omnivore following livestock for insects.

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.

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