IBA Criteria

Year of most recent IBA criteria assessment: 1994

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Grey Heron Ardea cinerea LC winter 1989-1992 192-268 individuals B1i
Western Reef-egret Egretta gularis LC non-breeding 1989-1992 99-250 individuals B1i
Socotra Cormorant Phalacrocorax nigrogularis VU non-breeding 1989-1991 8,467-15,000 individuals A1, A4i, B1i, B2
Pied Avocet Recurvirostra avosetta LC winter 1990-1992 127-175 individuals B1i
Lesser Sandplover Charadrius mongolus LC winter 1989-1992 279-500 individuals B1i
Slender-billed Gull Larus genei LC winter 1989-1992 2,349-5,275 individuals A4i, B1i
Sooty Gull Larus hemprichii LC non-breeding 1989-1992 720-1,220 individuals A4i, B1i
Lesser Black-backed Gull Larus fuscus LC winter 1993 2,000 individuals A4i, B1i
Caspian Tern Hydroprogne caspia LC winter 1989-1992 89-196 individuals A4i, B1i
Sandwich Tern Thalasseus sandvicensis LC winter 1989-1992 1,073-2,300 individuals A4i, B1i
Greater Crested Tern Thalasseus bergii LC non-breeding 1989-1992 234-620 individuals B1i

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 Neritic -
Coastline -
Desert -
Artificial/Terrestrial -
For further information about the habitat classification please click here.

Land use

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

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Duqm. Downloaded from on 08/12/2022.