Indian Cuckoo vs Oriental Cuckoo

Cuculus micropterus compared with Cuculus optatus

Side-by-Side Comparison

Attribute Indian Cuckoo Oriental Cuckoo
Scientific Name Cuculus micropterus Cuculus optatus
Order Cuculiformes Cuculiformes
Family Cuculidae Cuculidae
Conservation Status Least Concern Least Concern
Length
Wingspan 39.3 cm (15.5 in)
Weight 120.5 g (4.25 oz) 102.26666666666667 g (3.61 oz)
Diet -- --
Clutch Size -- 1-2
Population Trend

Habitat Comparison

Shared Habitats

Indian Cuckoo only

None

Oriental Cuckoo only

Song & Call Comparison

Indian Cuckoo

Song

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

Oriental Cuckoo

Song

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

Conservation Status

Least Concern

Indian Cuckoo

Least Concern

Oriental Cuckoo

How to Tell Them Apart

Indian Cuckoo

Plumage

Indian Cuckoo: gray above; white below with bold dark barring; four-note call; long dark tail; yellow eye-ring; common Asian species

Oriental Cuckoo

Plumage

Oriental Cuckoo: gray above; white below with rufous barring; long dark tail; yellow eye-ring; broad barring; Asian migrant species

About These Birds

Indian Cuckoo

Indian Cuckoo (Cuculus micropterus) — 32–34 cm. Grey above; barred underparts; yellow orbital ring; broad dark subterminal tail band. Migratory; widespread from India through Southeast Asia and China to Korea and Japan. Brood parasite targeting drongos and other medium passerines. Insectivore. Famous four-note 'one more bottle' call.

Oriental Cuckoo

Oriental Cuckoo (Cuculus optatus) — 30–33 cm. Grey above; barred white underparts; yellow orbital ring; long tail. Widespread breeder across Siberia, Russia, and northeast Asia; winters to Southeast Asia and Australia. Brood parasite targeting warblers and flycatchers. Insectivore. Long-distance migratory cuckoo.

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