Greater Ani vs Lesser Roadrunner

Crotophaga major compared with Geococcyx velox

Side-by-Side Comparison

Attribute Greater Ani Lesser Roadrunner
Scientific Name Crotophaga major Geococcyx velox
Order Cuculiformes Cuculiformes
Family Cuculidae Cuculidae
Conservation Status Least Concern Least Concern
Length
Wingspan 38.7 cm (15.2 in) 28.3 cm (11.1 in)
Weight 184.625 g (6.51 oz) 184.1 g (6.49 oz)
Diet Insectivore of tropical South American marshes; eats hairy caterpillars, large beetles, and small lizards. Also … --
Clutch Size 3-7 2-3
Population Trend

Habitat Comparison

Shared Habitats

None

Greater Ani only

Lesser Roadrunner only

None

Song & Call Comparison

Greater Ani

Song

Soft, wheezy call with plaintive quality; delicate notes given quietly from dense grassland cover at dawn.

Lesser Roadrunner

Song

Loud, call carrying far; distinctive hollow notes audible across dry open Central American terrain. Vocalization pattern typical of this species in its native habitat.

Geographic Range & Migration

Greater Ani

Found in tropical forests, mangroves, and marshes from Mexico to Argentina. Resident in lowland wetland habitats.

Lesser Roadrunner

Conservation Status

Least Concern

Greater Ani

Least Concern

Lesser Roadrunner

About These Birds

Greater Ani

A large, all-black cuckoo (46-48 cm) with a keeled bill and long tail. Found in tropical forests, mangroves, and marshes from Mexico to Argentina. Gregarious, often in groups of 8-20. Insectivore and small vertebrate predator. Communal nester, with several females sharing nests.

Lesser Roadrunner

Lesser Roadrunner (Geococcyx velox) — 46–52 cm. Similar to Greater Roadrunner but smaller with a more streaked breast. Found in dry scrub, open woodland, and arid valleys from Mexico to Nicaragua. Non-parasitic; carnivorous; eats insects and small vertebrates. Shares the same terrestrial running lifestyle as its northern relative.

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