Lesser Ground-cuckoo vs Common Squirrel-cuckoo

Morococcyx erythropygus compared with Piaya cayana

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Side-by-Side Comparison

Attribute Lesser Ground-cuckoo Common Squirrel-cuckoo
Scientific Name Morococcyx erythropygus Piaya cayana
Order Cuculiformes Cuculiformes
Family Cuculidae Cuculidae
Conservation Status Least Concern Least Concern
Length
Wingspan 19.8 cm (7.8 in) 29.1 cm (11.5 in)
Weight 66.6 g (2.35 oz) 103.85 g (3.66 oz)
Diet -- --
Clutch Size 2 2
Population Trend
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Habitat Comparison

Shared Habitats

None

Lesser Ground-cuckoo only

None

Common Squirrel-cuckoo only

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Song & Call Comparison

Lesser Ground-cuckoo

Song

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

Common Squirrel-cuckoo

Song

Harsh, far-carrying call with raucous quality; loud rough notes carrying through dense tropical forest.

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Conservation Status

Least Concern

Lesser Ground-cuckoo

Least Concern

Common Squirrel-cuckoo

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How to Tell Them Apart

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

Common Squirrel-cuckoo

Plumage

Great Spotted Cuckoo: gray above with white spots; pale below; long white-spotted dark tail; long pale crest; European migrant

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About These Birds

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.

Common Squirrel-cuckoo

Common Squirrel-cuckoo (Piaya cayana) — 40–50 cm. Brilliant rufous-chestnut above and on breast; grey belly; yellow-green bill; very long tail with bold black-and-white tips. Widespread in forest and forest edge from Mexico to Bolivia and Argentina. Non-parasitic. Insectivore; agile forager in tree canopy catching large insects and caterpillars.

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