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The site was identified as internationally important for bird conservation in 2013 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:

Species	Red List	Season (year/s of estimate)	Size	IBA criteria
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 pairs	B2
Griffon Vulture Gyps fulvus	LC	resident (1985–1986)	43 birds	B2
Bonelli's Eagle Aquila fasciata	LC	resident (1993)	present	B2
Peregrine Falcon Falco peregrinus	LC	resident (1993)	present	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, A2, A3
Gambaga Flycatcher Muscicapa gambagae	LC	breeding (1993)	present	A3
Little Rock-thrush Monticola rufocinereus	LC	resident (1985–1986)	present	A3
Arabian Wheatear Oenanthe lugentoides	LC	resident (1985–1986)	present	A3
Arabian Waxbill Estrilda rufibarba	LC	resident (1985–1986)	95 birds	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

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2013. The most recent assessment (2013) is shown below.

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Agricultural expansion and intensification	likely in long term (>4 years)	some of popul­ation/area (10–49%)	slow decline (1–10% over 3 gener­ations)	medium

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Little/none of area covered (<10%)	No management planning has taken place	Not assessed	very low

Habitat	% of IBA	Habitat detail
Shrubland	55
Artificial/Terrestrial	30
Forest	10
Rocky areas (eg. inland cliffs, mountain peaks)	minor (<10)

Land use	% of IBA
agriculture	30
rangeland/pastureland	major (>10)
forestry	minor (<10)

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Wadi al-Birayn (Yemen). Downloaded from https://datazone.birdlife.org/site/factsheet/wadi-al-birayn-iba-yemen on 23/12/2024.