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Location Indonesia, Riau
Central coordinates 101o 30.00' East  1o 20.00' North
IBA criteria A1, A2, A3
Area 380,000 ha
Year of IBA assessment 2004

Burung Indonesia (Affiliate)

Site description In Bukit Batu, there are small rivers turn into peat swamp, and some acidic lakes. Siak Kecil Wildlife Sanctuary includes in this area which consist of some small lakes but already degradated because of logging and over fishing.

Key Biodiversity Masked Finfoot (a female and a chick) observed on November 1992 in small mangrove in the coastal area (Burn & Brickle 1992). Local people reported that storks often visit the lake in Bukit Batu, probably Storm's Stork or Lesser Adjutant. Important bird species observed in this area all on October 1992 (Burn & Brickle 1992), but a small flock of White-winged Duck Cairina scutulata visits the lake in dry season.

Non-bird biodiversity: Crocodylus porosus and others crocodile species like Tomistoma schlegelii (Anon 1995). Elephant, tiger and tapir also live in this area (Scott 1989).

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Milky Stork Mycteria cinerea resident  2004  present  A1  Endangered 
Lesser Adjutant Leptoptilos javanicus resident  2004  present  A1  Vulnerable 
Masked Finfoot Heliopais personatus non-breeding  2004  present  A1  Endangered 


IUCN habitat Habitat detail Extent (% of site)
Forest Peat swamp forest (tropical)  80%

Land use

Land-use Extent (% of site)
forestry 75%
nature conservation and research 15%
other 10%

Protection status 100000 ha of this area proposed as Siak Kecil Wildlife Sanctuary and it is expected to be expanded to 160000 ha (Anon 1995).

References Anon. 1995. National Conservation Plan forIndonesia (3 A-H). Ministry of Forestry, Directorate General of Forest Protection and Nature Conservation, Jakarta.Burn, J. and Brickle, N. 1992. Spirit of Sumatra 1992: preliminary report. Wildfowl and Wetlands Trust, UK.Scott, D.A. and Poole, C.M. 1989. A status overview of Asian wetlands (based on "A Directory of Asian Wetlands"). Asian Wetland Bureau.

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Siak Kecil. Downloaded from on 22/10/2016

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