Ujung Kulon

IBA Criteria

Year of most recent IBA criteria assessment: 2004

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Green Peafowl Pavo muticus EN resident 1970 200-250 individuals A1
White-winged Duck Asarcornis scutulata EN resident 1987 present A1
Dark-backed Imperial-pigeon Ducula lacernulata LC resident 1987-1998 present A2
Javan Coucal Centropus nigrorufus VU resident 1987-1998 present A1, A2, A3
Lesser Adjutant Leptoptilos javanicus VU resident 1987-1998 present A1
Christmas Island Frigatebird Fregata andrewsi CR non-breeding 1987-1998 present A1
Javan Plover Charadrius javanicus LC resident 1987-1998 present A2
Javan Hawk-eagle Nisaetus bartelsi EN resident 1998 3-4 breeding pairs A1, A2, A3
Flame-fronted Barbet Psilopogon armillaris LC resident 1987-1998 present A2
White-breasted Babbler Stachyris grammiceps NT resident 1987-1998 present A2, A3
Grey-cheeked Tit-babbler Mixornis flavicollis LC resident 1987-1998 present A2, A3
Crescent-chested Babbler Cyanoderma melanothorax LC resident 1987-1998 present A2

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Ujung Kulon National Park World Heritage Site (natural or mixed) 123,051 protected area contains site 76,214
Ujung Kulon Taman Nasional 122,956 protected area overlaps with site 76,214


IUCN Habitat Habitat detail Extent (% of site)
Wetlands (inland) -
Shrubland -
Grassland -
Forest -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
nature conservation and research -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Ujung Kulon. Downloaded from on 30/06/2022.