Hefer valley

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
Common Crane Grus grus LC winter 1991 600-1,500 individuals A4i, B1i
Eurasian Spoonbill Platalea leucorodia LC passage 1991 150-300 individuals A4i, B1i
Black-crowned Night-heron Nycticorax nycticorax LC passage 1991 300-400 individuals B1i
Black-crowned Night-heron Nycticorax nycticorax LC resident 1991 100-120 breeding pairs B1i
Cattle Egret Bubulcus ibis LC resident 1991 100-350 breeding pairs A4i, B1i
Grey Heron Ardea cinerea LC winter 1991 300-1,000 individuals B1i
Great White Egret Ardea alba LC winter 1991 150-1,000 individuals A4i, B1i
Great White Pelican Pelecanus onocrotalus LC passage 1991 15,000-20,000 individuals A4i, B1i
Great Cormorant Phalacrocorax carbo LC winter 1991 1,000-1,500 individuals A4i, B1i
A4iv Species group - soaring birds/cranes n/a passage 1991 15,000-20,000 individuals A4iv, B1iv

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)
Bizzat Zeta Nature Reserve 5 protected area contained by site 0


Habitat (IUCN level 1) Habitat detail Extent (% of site)
Artificial/Terrestrial -
Artificial/Aquatic & Marine -
Grassland -
For more information about the IUCN Habitat classification, please click here.

Land use

Land-use Extent (% of site)
agriculture -
fisheries/aquaculture -
water management -
nature conservation and research -

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