Sao Tome Ibis (Bostrychia bocagei)
Illustration redrawn by AI from a real photograph

Sao Tome Ibis

Bostrychia bocagei (Chapin, 1923)

866 gWeight

The São Tomé ibis (Bostrychia bocagei), also known as the dwarf olive ibis or the dwarf ibis, is a critically endangered bird that is endemic to São Tomé off the western coast of Central Africa in the Gulf of Guinea.

Busiest months: August · Most records: São Tomé & Príncipe

Critically Endangered

Where and when it's recorded

Sao Tome Ibis has been recorded at 1 of the 8,171 birding hotspots we track, in 1 country or region.

Records by month Northern Hemisphere

Where it's recorded most

  1. PN Obô de São Tomé – Monte CarmoSão Tomé & Príncipe113 records

Countries and regions with the most records

São Tomé & Príncipe

eBird records via GBIF up to 2024-12-31. A record means someone listed it; more records partly mean more birders, not more birds.

About

The São Tomé ibis (Bostrychia bocagei), also known as the dwarf olive ibis or the dwarf ibis, is a critically endangered bird that is endemic to São Tomé off the western coast of Central Africa in the Gulf of Guinea. Discovered in the 1800s by Francisco Newton, it was once thought to be a subspecies of the larger olive ibis, but is now classified as a distinct species.

Excerpt from Wikipedia, CC BY-SA 4.0 · authors · Read more on Wikipedia

Questions

How big is the Sao Tome Ibis?

The Sao Tome Ibis weighs around 866 g.

Where does the Sao Tome Ibis live?

Its breeding range: Africa: São Tomé (south-central Gulf of Guinea islands). It is most often recorded in São Tomé & Príncipe.

When is the best time to see the Sao Tome Ibis?

At the hotspots we track, it is recorded most in August (Northern Hemisphere).

Is the Sao Tome Ibis endangered?

The IUCN Red List classifies the Sao Tome Ibis as Critically Endangered.

What does the Sao Tome Ibis eat?

Main food: Insects & other invertebrates.

What family is the Sao Tome Ibis in?

It belongs to the family Ibises, Spoonbills (Threskiornithidae), order Pelecaniformes.

At a glance

Weight
866 g
Habitat
Forest
Diet
Insects & other invertebrates
Lifestyle
Active on the ground
Migration
Resident (barely migrates)
Conservation
Critically Endangered
More measurements
Wing
237 mm
Tail
92 mm
Bill
83 mm
Tarsus
53 mm

Averages from the AVONET dataset; length from field guides where available.

Range

Africa: São Tomé (south-central Gulf of Guinea islands)

Breeding range, IOC World Bird List 15.2

Classification

Family
Ibises, Spoonbills Threskiornithidae
Genus
Bostrychia

Other birds in the genus Bostrychia

Sao Tome Ibis

Download illustration

Free to use with credit: “Illustration: Bird Album (birdalbum.com)”. Drawn by AI from a reference photo by Nik Borrow. ↗

WebP · 1070 px

Heard it but can't see it? Mingji identifies birds by sound and photo, on your phone.

In other languages