Lesser Cuckoo vs Lesser Ground-cuckoo

Cuculus poliocephalus compared with Morococcyx erythropygus

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Side-by-Side Comparison

Attribute Lesser Cuckoo Lesser Ground-cuckoo
Scientific Name Cuculus poliocephalus Morococcyx erythropygus
Order Cuculiformes Cuculiformes
Family Cuculidae Cuculidae
Conservation Status Least Concern Least Concern
Length
Wingspan 30.8 cm (12.1 in) 19.8 cm (7.8 in)
Weight 51.5 g (1.82 oz) 66.6 g (2.35 oz)
Diet -- --
Clutch Size -- 2
Population Trend
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Habitat Comparison

Shared Habitats

None

Lesser Cuckoo only

Lesser Ground-cuckoo only

None

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Song & Call Comparison

Lesser Cuckoo

Song

Loud, far-carrying call; penetrating resonant notes given repeatedly from dense African forest canopy.

Lesser Ground-cuckoo

Song

Soft, ventriloquial whistled phrase; clear pure notes given quietly and deceptively from dense tropical thicket.

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Conservation Status

Least Concern

Lesser Cuckoo

Least Concern

Lesser Ground-cuckoo

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How to Tell Them Apart

Lesser Cuckoo

Plumage

Lesser Cuckoo: gray above; white below with rufous barring; slender; long dark tail; yellow eye-ring; smaller than Common Cuckoo

Lesser Ground-cuckoo

Plumage

Greater Roadrunner: boldly streaked brown above; white-cream below with dark streaks; long tail; shaggy crest; bare facial skin; fast runner

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About These Birds

Lesser Cuckoo

Lesser Cuckoo (Cuculus poliocephalus) — 25–28 cm. Grey above; whitish below with black barring; yellow orbital ring; long tail. Migratory; breeds across South and East Asia from Afghanistan to Japan; winters to East Africa and South Asia. Brood parasite targeting warblers. Insectivore.

Lesser Ground-cuckoo

Lesser Ground-cuckoo (Morococcyx erythropygus) — 28 cm. Brown above; chestnut rump; whitish underparts; bare blue orbital skin. Inhabits dry and semi-arid scrub from Mexico to Costa Rica. Non-parasitic; builds its own nest in low shrubs. Runs on the ground hunting large insects, lizards, and amphibians. Monotypic genus endemic to Mesoamerica.

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