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Location Yemen, Ta'izz
Central coordinates 43o 57.96' East  13o 37.38' North
IBA criteria A1, A4i, B1i, B2, B3
Area 11,000 ha
Altitude 1,000 - 1,400m
Year of IBA assessment 1994

Summary Visited occasionally since Evans (1994).

Key Biodiversity Other birds: Migratory/wintering stop-over site for small numbers of herons, wildfowl and waders.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Ferruginous Duck Aythya nyroca passage  1993  72 individuals  poor  A1, B1i, B2  Near Threatened 
Ferruginous Duck Aythya nyroca winter  1992  10-150 individuals  medium  A1, B1i, B2  Near Threatened 
White Stork Ciconia ciconia passage  1993  150 individuals  poor  B2  Least Concern 
White Stork Ciconia ciconia winter  1993  265 individuals  poor  B1i, B2  Least Concern 
Northern Bald Ibis Geronticus eremita non-breeding  1985-1992  14 individuals  good  A1, A4i, B1i, B2  Critically Endangered 
Cattle Egret Bubulcus ibis non-breeding  1985-1992  340-350 individuals  medium  B1i  Least Concern 
Eurasian Bittern Botaurus stellaris passage  1993  2 individuals  poor  B2  Least Concern 
Lanner Falcon Falco biarmicus resident  1993  2 breeding pairs  poor  B2  Least Concern 
Saker Falcon Falco cherrug passage  1993  3 individuals  poor  B2  Endangered 
Saker Falcon Falco cherrug winter  1993  frequent  B2  Endangered 
Eastern Imperial Eagle Aquila heliaca passage  1982  12 individuals  poor  A1, B2  Vulnerable 
Eastern Imperial Eagle Aquila heliaca winter  1993  1 individuals  poor  B2  Vulnerable 
Himantopus himantopus winter  1991  117 individuals  poor  B1i  Not Recognised 
Arabian Waxbill Estrilda rufibarba resident  1993  200 individuals  poor  B3  Least Concern 
Olive-rumped Serin Serinus rothschildi resident  1993  frequent  B3  Least Concern 
Rhynchostruthus socotranus resident  1993  25 individuals  poor  B3  Not Recognised 

IBA Monitoring

2013 high not assessed negligible

Pollution domestic & urban waste water - type unknown/unrecorded happening now majority/most of area/population (50-90%) moderate to rapid deterioration high

Little/none of site covered (<10%)  No management planning has taken place  Not assessed  negligible 


IUCN habitat Habitat detail Extent (% of site)
Wetlands (inland)   minor
Shrubland   major
Grassland   minor
Artificial - terrestrial   major

Land use

Land-use Extent (% of site)
rangeland/pastureland major
agriculture major
tourism/recreation minor
urban/industrial/transport minor

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Ta'izz wadis. Downloaded from on 22/10/2016

To provide new information to update this factsheet or to correct any errors, please email BirdLife