Data Zone
The site was identified as important in 1999 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.
Populations meeting IBA criteria ('trigger species'):| Species | Current IUCN Red List Category | Season | Year(s) | Population estimate at site | IBA criteria met |
|---|---|---|---|---|---|
| Milky Stork Mycteria cinerea | EN | breeding | 1984 | 10-30 individuals | A1 |
| Royal Spoonbill Platalea regia | LC | breeding | 1970-1979 | present | A4i |
| Black-headed Ibis Threskiornis melanocephalus | NT | breeding | 1970-1979 | present | A4i |
| Cattle Egret Bubulcus ibis | LC | breeding | 1985 | present | A4i |
| Christmas Island Frigatebird Fregata andrewsi | VU | non-breeding | 1987-1998 | present | A1 |
| Little Cormorant Microcarbo niger | LC | breeding | 1985 | present | A4i |
| Little Black Cormorant Phalacrocorax sulcirostris | LC | breeding | 1985 | present | A4i |
| Oriental Darter Anhinga melanogaster | NT | breeding | 1970-1979 | present | A4i |
| A4iii Species group - waterbirds | n/a | breeding | 1985 | min 7,500 breeding pairs | A4iii |
The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (1999).
| Protected area (PA) | PA designation | PA area (ha) | Relationship of PA with IBA | Overlap of PA with IBA (ha) |
|---|---|---|---|---|
| Pulau Kasa | Suaka Margasatwa | 33 | is identical to site | 30 |
| Pulau Dana | Cagar Alam | 1,000 | protected area overlaps with site | 0 |
| Habitat (IUCN level 1) | Habitat detail | Extent (% of site) |
|---|---|---|
| Forest | - | |
| Wetlands (inland) | Sand dunes and beaches | - |
| Shrubland | - | |
| Other | - |
| Land-use | Extent (% of site) |
|---|---|
| nature conservation and research | - |
Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Pulau Dua. Downloaded from
http://datazone.birdlife.org/site/factsheet/pulau-dua-iba-indonesia on 28/09/2023.
