ID068
Pulau Dua


IBA Justification

The site was identified as internationally important for bird conservation in 1999 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:
Species Red List1 Season Year(s) Size IBA criteria
Milky Stork Mycteria cinerea EN breeding 1984 10–30 birds A1
Royal Spoonbill Platalea regia LC breeding 1970–1979 present A4i
Black-headed Ibis Threskiornis melanocephalus LC 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 LC breeding 1970–1979 present A4i
A4iii Species group - waterbirds n/a breeding 1985 min 7,500 pairs A4iii

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (1999) may differ.


IBA Conservation

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 1999. The most recent assessment (2017) is shown below.

IBA conservation assessment
Year of assessment State Pressure Response
2017 poor low not assessed
Whole site assessed? State assessed by Accuracy of information
no unset medium

State (condition of the trigger species' habitats)
Habitat Quantity (% remaining) Quality (% carrying capacity) Result
Forest moderate (70-90%) moderate (70-90%) poor

Pressure (threats to the trigger species and/or their habitats)
Threat Timing Scope Severity Result
Human intrusions and disturbance now few individuals/small area (<10%) slow decline (1-10% over 3 gener­ations) low

Response (conservation actions taken for the trigger species and/or their habitats)
Designation Planning Action Result
Not assessed Not assessed Not assessed not assessed

IBA Protection

Year Protected Area Designation % overlap with IBA
- Pulau Dana Cagar Alam 8
1984 Pulau Kasa Suaka Margasatwa 100

Habitats

Habitat % of IBA Habitat detail
Forest major (>10) Mangrove forest (tropical); Heath forest (tropical)
Marine Coastal/Supratidal major (>10)
Marine Intertidal major (>10)

Land use

Land use % of IBA
nature conservation and research -


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Pulau Dua (Indonesia). Downloaded from https://datazone.birdlife.org/site/factsheet/pulau-dua-iba-indonesia on 03/12/2024.