Data Zone
Country/territory: Indonesia
IBA criteria met: A1, A2, A3 (2001)
For more information about IBA criteria, please click here
Area: 430,300 hectares (4,303.00 km2)
Site description (2003 baseline)
Siberut is the biggest island in Mentawai Islands. This area still widely forested, although logging and shifting agriculture exist.
Key biodiversity
One of endemic bird species, Mentawai Scops-Owl Otus mentawI, in Siberut, Sipora Islands and north and south part of Pagai Islands. The species determines the status of this area as Secondary Endemic Bird Area. Siberut and Mentawai also support 13 endemic bird sub-species (WWF 1980, Holmes 1994)
Non-bird biodiversity: Other biodiversity include Hylobates klossii, Macaca pagensis, Presbytis potenziani dan Simias concolor (WWF 1980, Whitten et.al.1987)The beaches of this area also nesting sites for Chelonia mydas, Dermochelys coriacea and Eretmochleys imbricata. Crocodylus porosus is also recorded in the coastal area (Colijn 1999)
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Pulau Siberut (Indonesia). Downloaded from
https://datazone.birdlife.org/site/factsheet/pulau-siberut-iba-indonesia on 23/12/2024.