Olive Ibis (Bostrychia olivacea)

Other Names (World)
Olive Ibis, Green Ibis, African Green Ibis, Dwarf Olive Ibis (bocagei), Sao Tome Ibis (bocagei)

Family
Threskiornithidae (Ibises, Spoonbills)

Size
65 - 75 cm

First Described (Guide)
(Du Bus De Gisignies, 1838)

Habitat
Dense lowland forest, glades in open sections of forest, swampy or marshy areas, along streams and rivers, in swamp-forest, mangroves, regenerating forest over abandoned plantations, montane forest.

Range (Guide)

Cameroon, Cote dIvoire, Congo, Congo [The Democratic Republic of the], Gabon, Ghana, Kenya, Liberia, Sao Tome e Principe, Sierra Leone, Tanzania [United Republic of].

Unknown to Equatorial Guinea (B) (NB).

Rarity Status
Currently this species is not classified as a rarity in this country OR information has not been updated.

Population
Estimated population is 3000 - 45000 (2020) and decreasing.

Status LC
For more information see BirdLife International Species Factsheet.

Food
Little known, but includes adult and larval insects, worms, snails, snakes and occasionally plant matter.

Voice
Xeno-Canto Sound Files (more (8)...)

Olive Ibis (Bostrychia olivacea) [XC862619]
by id from Tabou, Bas-Sassandra District, Ivory Coast (flight call)

Olive Ibis (Bostrychia olivacea) [XC450349]
by Oliver Fowler from Kirinyaga County, Kenya (flight call, pair in flight)

Nest
A platform of sticks located on a tree limb about 7.5 m above the ground.

Subspecies
Bostrychia olivacea (Sibley and Monroe 1990, 1993) has been split into Olive Ibis (Bostrychia olivacea) and Dwarf Ibis (Bostrychia bocagei) following Collar and Stuart (1985).

Sometimes placed in genus Lampribis, together with Spot-breasted Ibis (Bostrychia rara). Subspecies bocagei often considered a full species. Subspecies rothschildi of Princip� I extinct.

The following 5 subspecies are recognised:

olivacea (Du Bus De Gisignies, 1838) - Sierra Leone, Liberia.
cupreipennis (Reichenow, 1903) - Cameroon, Gabon, Congo and Zaire.
bocagei (Chapin, 1923) - S�o Tom� I. (Gulf of Guinea). Considered by some authors to be a distinct species, Dwarf Ibis (Bostrychia bocagei).
akeleyorum (Chapman, 1912) - Mountains of Kenya and Tanzania.
rothschildi ! (Bannerman, 1919) - Formerly Pr�ncipe I. (Gulf of Guinea). Extinct ca. 1901.

References
See References.

Files:

JPG files for Olive Ibis (Bostrychia olivacea) - 10 files

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