Wadi al-Birayn

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
Arabian Partridge Alectoris melanocephala LC resident 1985-1986 present A3
Dusky Turtle-dove Streptopelia lugens LC resident 1985-1986 present A3
Bearded Vulture Gypaetus barbatus NT resident 1985-1986 1 breeding pairs B2
Griffon Vulture Gyps fulvus LC resident 1985-1986 43 individuals B2
Brown Woodland-warbler Phylloscopus umbrovirens LC resident 1985-1986 present A3
Tristram's Starling Onychognathus tristramii LC resident 1985-1986 present A3
Yemen Thrush Turdus menachensis NT resident 1985-1986 present A1
Little Rock-thrush Monticola rufocinereus LC resident 1985-1986 present A3
Mourning Wheatear Oenanthe lugens LC resident 1985-1986 present A3
Arabian Waxbill Estrilda rufibarba LC resident 1985-1986 95 individuals A2, A3
Arabian Serin Crithagra rothschildi LC resident 1985-1986 present A3, B3
Yemen Serin Crithagra menachensis LC resident 1985-1986 present A2, A3
Yemen Linnet Linaria yemenensis LC resident 1985-1986 present A2, A3

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

IBA Monitoring

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2013 medium not assessed negligible
Was the whole site covered? Yes State assessed by unset
Accuracy of information unknown

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Agricultural expansion and intensification annual & perennial non-timber crops - small-holder farming likely in long term (beyond 4 years) some of area/population (10-49%) slow but significant deterioration medium

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Little/none of site covered (<10%) No management planning has taken place Not assessed negligible
For more information about IBA monitoring please click here


IUCN Habitat Habitat detail Extent (% of site)
Artificial/Terrestrial -
Forest -
Shrubland -
Rocky areas (eg. inland cliffs, mountain peaks) -
For further information about the habitat classification please click here.

Land use

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

Recommended citation
BirdLife International (2021) Important Bird Areas factsheet: Wadi al-Birayn. Downloaded from on 17/01/2021.