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The site was identified as important 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 List1	Season	Year(s)	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 breeding pairs	B2
Griffon Vulture Gyps fulvus	LC	resident	1985-1986	43 individuals	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 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

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2013) may differ.

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 (beyond 4 years)	some of area/population (10-49%)	slow but significant deterioration	medium

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Little/none of site covered (<10%)	No management planning has taken place	Not assessed	negligible

Habitat1	Habitat detail	% of IBA
Shrubland		55
Artificial/Terrestrial		30
Forest		10
Rocky areas (eg. inland cliffs, mountain peaks)		minor (<10)

1. IUCN Habitat classification.

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 23/11/2024.