Olive Long-tailed Cuckoo vs Indian Cuckoo

Cercococcyx olivinus compared with Cuculus micropterus

Side-by-Side Comparison

Attribute Olive Long-tailed Cuckoo Indian Cuckoo
Scientific Name Cercococcyx olivinus Cuculus micropterus
Order Cuculiformes Cuculiformes
Family Cuculidae Cuculidae
Conservation Status Least Concern Least Concern
Length
Wingspan 27.8 cm (10.9 in) 39.3 cm (15.5 in)
Weight 65.83333333333333 g (2.32 oz) 120.5 g (4.25 oz)
Diet -- --
Clutch Size -- --
Population Trend

Habitat Comparison

Shared Habitats

Olive Long-tailed Cuckoo only

None

Indian Cuckoo only

None

Song & Call Comparison

Olive Long-tailed Cuckoo

Song

Loud, far-carrying resonant call; deep hollow notes given repeatedly from dense forest canopy. Vocalization pattern typical of this species in its native habitat.

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.

Conservation Status

Least Concern

Olive Long-tailed Cuckoo

Least Concern

Indian Cuckoo

How to Tell Them Apart

Olive Long-tailed Cuckoo

Plumage

Olive Long-tailed Cuckoo: olive-brown above; pale buff below; very long graduated dark tail; red eye; olive coloration diagnostic

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

About These Birds

Olive Long-tailed Cuckoo

Olive Long-tailed Cuckoo (Cercococcyx olivinus) — 28–32 cm. Olive-brown above; pale buff below with faint barring; long tail. Found in montane and submontane forest of West and Central Africa. Brood parasite. Insectivore. Poorly known; locally rare.

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.

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