Buff-necked ibis

Its calm, steady walking style makes it look almost like a careful farmer inspecting the field

Charles J. Sharp


Buff-necked ibis

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Its calm, steady walking style makes it look almost like a careful farmer inspecting the field

Population 50,000 – 200,000

A handsome, long-legged bird from South America, often seen in grasslands, savannas, wetlands, open farms, and pastures. Its name comes from the warm buff or golden-brown color on its neck and upper chest, which gives it a softer, brighter look than many gray or dark ibises. It also has a blackish crown, a pale face, a long, curved bill, reddish legs, and broad wings with a bold pale patch visible when it flies. Unlike some ibises that stay close to marshes and muddy shores, the buff-necked ibis is just as comfortable walking through dry fields and open grassy places.

One thing that makes the buff-necked ibis different from many other ibises is its strong connection to open land. While many ibis species are thought of as wetland birds, this species often feeds far from water. It walks slowly through grass, probing the soil with its curved bill and picking up insects, worms, small reptiles, frogs, snails, and other small animals. It is especially useful in farms and pastures because it eats many creatures that live in the ground or on the grass.

The buff-necked ibis is also known for its boldness and noise. It is often seen in pairs, family groups, or small flocks, and its loud calls can carry far across open country. Pairs may call together in a rough, trumpeting duet, especially near nesting areas or when flying. This makes it much easier to notice than shy forest ibises that stay hidden in trees. It often nests in trees, palms, or even on rocky ledges, placing its nest safely above the ground. In flight, its long neck and legs stretch out, giving it a strong, graceful shape against the sky.

Distribution

Country
Population est.
Status
Year
Comments
Argentina
2025
Bolivia
2025
Brazil
2025
Colombia
2025
French Guiana
2025
Guyana
2025
Panama
2025
Vagrant
Paraguay
2025
South Georgia
2025
Suriname
2025
Uruguay
2025
Venezuela
2025

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Terrestrial / Aquatic

Altricial / Precocial

Polygamous / Monogamous

Dimorphic (size) / Monomorphic

Active: Diurnal / Nocturnal

Social behavior: Solitary / Pack / Flock

Diet: Carnivore / Herbivore / Omnivore / Piscivorous / Insectivore

Migratory: Yes / No

Domesticated: Yes / No

Dangerous: Yes / No