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Location Indonesia, Riau
Central coordinates 103o 45.00' East  0o 0.00' North
IBA criteria A1, A4i, A4iii
Area 70,000 ha
Year of IBA assessment 2004

Burung Indonesia (Affiliate)

Site description Located around 180 km East of Rengat.

Key Biodiversity Birds species between October-November 1984 (Silvius 1988) i.e:- 700 Milky Stork Mycterea cinerea- 70 Lesser Adjutant Leptoptilus javanicus- 80 Black-headed Ibis Threskiornis melanocephalus- c. 21000 waders include 4100 Black-tailed Godwit Limosa limosa, 2200 Common Redshank Tringia totanus, 2200 Mongolia Plover Charadrius mongolus (more than 11000 wader unidentified, and Asian Dowitcher Limnodromus semipalmatus uncertain record).A survey in Bakung Island on 22-26 October 1990 found: 685 Milky Stork Mycterea cinerea, 28 Lesser Adjutant Leptoptilus javanicus, 60 Black-headed Ibis Threskiornis melanocephalus, and other unidentified waterbirds (Giesen 1991).Although the few numbers of waders recorded in Jambi and South Sumatra, but the mudflat considered as part of wader post migration and also feeding site of waterbirds. Need to be noted that no record on breeding site of Black-headed Ibis Threskiornis melanocephalus in Sumatra.

Non-bird biodiversity: Crocodylus porosus and Tomistoma schlegeli (Giesen 1991, Wibowo & Suyatno 1998).

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, A4i  Endangered 
Lesser Adjutant Leptoptilos javanicus resident  2004  present  A1  Vulnerable 
Lesser Sandplover Charadrius mongolus unknown  2004  present  A4i  Least Concern 
Common Redshank Tringa totanus unknown  2004  present  A4i  Least Concern 
Asian Dowitcher Limnodromus semipalmatus winter  2004  present  A4i  Near Threatened 
Black-tailed Godwit Limosa limosa winter  2004  present  A4i  Near Threatened 
A4iii Species group - waterbirds unknown  2004  20,000 individuals  unknown  A4iii   


IUCN habitat Habitat detail Extent (% of site)
Wetlands (inland)   -
Forest Mangrove forest (tropical); Peat swamp forest (tropical)  -

Protection status Tanjung Datuk and northern P. Bakung proposed as protected area by Wetlands International (Silvius 1988).

References Giesen, W. 1991. Bakung Island, Riau (Pulau Bakung, Pulau Basu). PHPA/AWB Sumatra Wetland Project Report No. 11, Bogor.Silvius, M.J. 1988. On the importance of Sumatra's east coast for waterbirds, with notes on the Asian Dowitcher Limnodromus semipalmatus. Kukila 3(3-4):117-137.Silvius, M.J., Steeman, A.P.J.M., Berczy, E.T., Djuharsa, E. and Taufik, A.W. 1987. The Indonesian Wetland Inventory. A preliminary compilation of existing information on wetlands of Indonesia. PHPA, AWB/INTERWADER, EDWIN, Bogor, Indonesia.Wibowo, P. & Suyatno, N. 1998. An overview of Indonesian Wetland Sites - II: an update information - Included in the Indonesian Wetland Database. Wetlands Intenational-Indonesia Programme/PHPA; Bogor.

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Pesisir Riau Tenggara. Downloaded from on 24/10/2016

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