Lake Naujan

IBA Justification

The site was identified as important in 2001 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
Tufted Duck Aythya fuligula LC winter 2000 10,000 individuals A4i
Philippine Duck Anas luzonica VU resident 1980-1989 uncommon A1
Mindoro Bleeding-heart Gallicolumba platenae CR resident 1990-1999 present A1, A2
Mindoro Imperial-pigeon Ducula mindorensis EN resident 1980-1989 present A1, A2
Spotted Imperial-pigeon Ducula carola VU resident 1980-1989 present A1
Black-hooded Coucal Centropus steerii CR resident 1980-1989 present A1, A2
Mindoro Hornbill Penelopides mindorensis EN resident 1990-1999 present A1, A2
Philippine Cockatoo Cacatua haematuropygia CR resident 1880-1900 present A1
Ashy Thrush Geokichla cinerea VU resident 1970-1979 present A1, A2
Scarlet-collared Flowerpecker Dicaeum retrocinctum VU resident 1980-1989 present A1, A2

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2001).

IBA Conservation

IBA conservation assessment
Year of assessment (most recent) State (condition) Pressure (threat) Response (action)
2001 not assessed high not assessed
Was the whole site assessed? State assessed by Accuracy of information
yes unset good

Pressure (threats to the trigger species and/or their habitats)
Threat level 1 Threat level 2 Timing Scope Severity Result
Biological resource use fishing & harvesting aquatic resources - unintentional effects: large scale happening now majority/most of area/population (50-90%) moderate to rapid deterioration high

Response (conservation actions taken for the trigger species and/or their habitats)
Protected-area designation Management planning Other conservation action Result
Not assessed Not assessed Not assessed not assessed
For more information about IBA conservation status, please click here

IBA Protection

Protected area (PA) PA designation PA area (ha) Relationship of PA with IBA Overlap of PA with IBA (ha)
Naujan Lake National Park Ramsar Site, Wetland of International Importance 14,568 unknown 0
Naujan Lake National Park 21,655 protected area contained by site 10,875


Habitat (IUCN level 1) Habitat detail Extent (% of site)
Wetlands (inland) -
Artificial/Terrestrial -
Forest -
For more information about the IUCN Habitat classification, please click here.

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Lake Naujan. Downloaded from on 02/12/2023.