Ola lagoon

IBA Criteria

Year of most recent IBA criteria assessment: 2013

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Whimbrel Numenius phaeopus LC passage 2006 500-1,000 individuals A4i
Far Eastern Curlew Numenius madagascariensis EN passage 2006 20-30 individuals A1
Great Knot Calidris tenuirostris EN passage 2005 500-1,000 individuals A1
Red Knot Calidris canutus NT passage 2005 200-600 individuals A4i
Spoon-billed Sandpiper Calidris pygmaea CR passage 2001 1-5 A1, A4i

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


IUCN Habitat Habitat detail Extent (% of site)
Marine Coastal/Supratidal -
Marine Intertidal -
Marine Neritic -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
tourism/recreation -
fisheries/aquaculture -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Ola lagoon. Downloaded from on 28/06/2022.