Dwarf Olive Ibis
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| Bostrychia bocagei Chapin, 1923 |
The Dwarf Olive Ibis (Bostrychia bocagei) is a critically endangered bird that is edemic to São Tomé e Príncipe. Once thought to be a subspecies of the larger Olive Ibis it is now classified as two distinct species. Not a whole lot is known about this creature.
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[edit] Description
Some Dwarf Olive Ibis measurments are wings 248 mm, bill 73 mm, tarsus 52 mm, and tail is 95 mm. Their head is dull olive with black surrounding their eyes and base of the bill with a slightly bronzed mantle and wing-coverts. They remain silent most of the time but when disturbed it gives various coughed grunts and harsh honking when going to roost. Its call could also be described as a stressed kàh-gàh kàh-gàh.
[edit] Habitat & Ecology
They are found in primary forest below 450 m. It forages for food on the forest floor with sparse undergrowth. Especially where the ground has been disturbed by wild pigs, and in swampy areas bordering watercourses.
[edit] Population & Threats
There is a very tiny population of Dwarf Olive Ibis that only contains only around 50 individuals. Due to this it is listed as critically endangered by the IUCN red list. Introduced species could negitively affect the number of these birds. Habitat loss is also another threat and road development has increased access to previously remote areas. They also may be hunted. A national park and the protection of threatened species in São Tomé has been proposed but currently the forests are unprotected.
