BirdLife Data Zone

UK267

West Westray

Current view: Data table and detailed info

IBA Justification

Year of most recent IBA criteria assessment: 2007

Populations of IBA trigger species

Species	Current IUCN Red List Category	Season	Year(s) of estimate	Population at site	IBA criteria triggered
Arctic Tern Sterna paradisaea	LC	breeding	2000	2,166 breeding pairs	C2, C6
Common Murre Uria aalge	LC	breeding	2007	50,613 individuals	B1ii, C3
A4iii Species group - seabirds	n/a	breeding	1999-2002	43,019 breeding pairs	A4iii, C4
A4iii Species group - waterbirds	n/a	breeding	1999-2002	37,500 breeding pairs	A4iii, C4

Note: The current IUCN Red List category may differ from the category that was valid at the time of IBA criteria assessment.

For more information about the IBA criteria, please click here

IBA Conservation

IBA conservation status - summary
Year of assessment (most recent)	Threat (pressure)	Condition (state)	Action (response)
2007	very high	very unfavourable	low
Was the whole site assessed?	yes	Condition (state) assessed by	population
Accuracy of information	good

Threats to the site (pressure)
Threat level 1	Threat level 2	Timing	Scope	Severity	Result
Climate change and severe weather	habitat shifting and alteration	happening now	whole area/population (>90%)	very rapid to severe deterioration	very high

Condition of the site (state), by species
Scientific name	Common name	Reference population	Actual population	Units	% of population remaining	Result
Rissa tridactyla	Black-legged Kittiwake	31000	12055	breeding pairs	39	very unfavourable
Sterna paradisaea	Arctic Tern	1140	2166	breeding pairs	100	favourable
Alca torda	Razorbill	1761	813	individuals	47	unfavourable
Uria aalge	Common Murre	60597	50613	individuals	84	near favourable
Species group - seabirds	A4iii	44965	43019	breeding pairs	96	favourable
Species group - waterbirds	A4iii	32171	37500	breeding pairs	100	favourable

Conservation actions taken at the site (response)
Protected-area designation	Management planning	Other conservation action	Result
Whole area of site (>90%) covered by appropriate conservation designation	A management plan exists but it is out of date or not comprehensive	Not assessed	low

For more information about IBA conservation status, please click here

IBA Protection

Protected area (PA)	PA designation	PA area (ha)	Relationship of PA with IBA	Overlap of PA with IBA (ha)
West Westray	Special Protection Area (Birds Directive)	3,780	protected area contains site	349
West Westray	Marine Protected Area (OSPAR)	0	protected area overlaps with site	0
West Westray	Site of Special Scientific Interest (UK)	350	protected area overlaps with site	349
Noup Cliffs	Nature Reserve	21	protected area overlaps with site	0

Habitats

For further information about the IUCN habitat classification, please click here.

Land use

Land-use	Extent (% of site)
agriculture	-
nature conservation and research	-

For further information about the land-use classification, please click here.

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: West Westray. Downloaded from http://datazone.birdlife.org/site/factsheet/2633 on 05/06/2023.