Hilleh Protected Area

IBA Justification

The site was identified as important in 1994 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
White-headed Duck Oxyura leucocephala EN winter 1988 173 individuals A1, A4i, B1i, B2
Greylag Goose Anser anser LC winter 1977-1992 950-7,859 individuals A4i, B1i
Lesser White-fronted Goose Anser erythropus VU winter 1975 21-37 individuals A1
Common Shelduck Tadorna tadorna LC winter 1977-1992 400-1,388 individuals A4i, B1i
Ruddy Shelduck Tadorna ferruginea LC winter 1977-1992 26-750 individuals A4i, B1i
Marbled Teal Marmaronetta angustirostris NT breeding 1974 15-20 breeding pairs A1, A4i, B1i, B2
Marbled Teal Marmaronetta angustirostris NT winter 1977 1,000 individuals A1, A4i, B1i
Gadwall Mareca strepera LC winter 1977-1992 350-1,915 individuals A4i, B1i
Eurasian Wigeon Mareca penelope LC winter 1977-1992 2,300-8,070 individuals A4i, B1i
Mallard Anas platyrhynchos LC winter 1977-1992 1,260-8,000 individuals A4i, B1i
Northern Pintail Anas acuta LC winter 1977-1992 3,750-12,000 individuals A4i, B1i
Eurasian Spoonbill Platalea leucorodia LC winter 1970-1977 278 individuals B1i
Grey Heron Ardea cinerea LC winter 1970-1977 582 individuals B1i
Great White Egret Ardea alba LC winter 1970-1977 351 individuals B1i
Great Cormorant Phalacrocorax carbo LC winter 1970-1977 3,060 individuals A4i, B1i
Pied Avocet Recurvirostra avosetta LC winter 1970-1977 300 individuals A4i, B1i
Black-tailed Godwit Limosa limosa NT winter 1970-1977 250 individuals B1i
Caspian Gull Larus cachinnans LC winter 1987-1992 2,500 individuals B1i
Little Tern Sternula albifrons LC breeding 1977 40 breeding pairs B1i
A4iii Species group - waterbirds n/a winter 1977 20,000 individuals A4iii

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (1994).

IBA Protection

Protected area (PA) PA designation PA area (ha) Relationship of PA with IBA Overlap of PA with IBA (ha)
Heleh Protected Area 41,642 is identical to site 41,642


Habitat (IUCN level 1) Habitat detail Extent (% of site)
Marine Coastal/Supratidal -
Marine Intertidal -
Desert -
Marine Neritic -
For more information about the IUCN Habitat classification, please click here.

Land use

Land-use Extent (% of site)
nature conservation and research -

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Hilleh Protected Area. Downloaded from on 01/10/2023.