Olive ibis

A secretive, elegant forest ibis built for a life away from the spotlight

Michal Porebiak


Olive ibis

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A secretive, elegant forest ibis built for a life away from the spotlight

Population 15,000 – 45,000
21.2 % decline over the past three generations

Unlike many ibises that are easy to see in open marshes, lakesides, or fields, the olive ibis is more secretive. It often stays hidden in dense forests, swampy woodlands, and quiet river areas. Its dark olive-brown feathers help it blend into shadowy trees and wet ground, making it much harder to spot than brighter or more open-country ibises. This hidden lifestyle is one of the main things that makes the olive ibis different from many of its relatives.

One of its most distinct features is its rich, dark coloring. From a distance, it may look almost plain, but in good light, its feathers can show soft green, bronze, or olive tones. It also has the long, curved bill typical of ibises, which it uses to search through mud, leaf litter, and soft soil for food. While some ibises gather in large flocks, the olive ibis is often seen alone, in pairs, or in small groups. This quieter behavior fits its forest home, where moving carefully and staying hidden can be safer than standing out.

The olive ibis feeds on small animals it finds in damp places, such as insects, worms, snails, and other tiny creatures. Its curved bill works like a natural tool for probing into mud and wet leaves. Because it often lives near streams, swamps, and forest pools, it plays a useful role in the ecosystem by helping control small animal populations. It is not usually a loud or flashy bird, but it has a strong presence when seen up close. Its calm movements, dark glossy feathers, and careful feeding style make it feel almost like a forest shadow.

Distribution

Country
Population est.
Status
Year
Comments
Cameroon
2025
Congo-Brazzaville
2025
Côte D’ivoire
2025
DR Congo (Kinshasa)
2025
Equatorial Guinea
2025
Origin Uncertain
Gabon
2025
Ghana
2025
Kenya
2025
Liberia
2025
Sierra Leone
2025
São Tomé & Príncipe
2025
Tanzania
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