UK197
Marwick Head


IBA Justification

The site was identified as important in 2007 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species'):
Species Current IUCN Red List Category Season Year(s) Population estimate at site IBA criteria met
Common Murre Uria aalge LC breeding 2004 10,476 individuals C7

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2007).


IBA Conservation

IBA conservation assessment
Year of assessment (most recent) State (condition) Pressure (threat) Response (action)
2007 very unfavourable high low
Was the whole site assessed? State assessed by Accuracy of information
yes population good

State (condition of the trigger species' populations)
Scientific name Common name Reference population Actual population Units % of population remaining Result
Uria aalge Common Murre 36418 10476 individuals 29 very unfavourable
Species group - seabirds A4iii 26047 8887 breeding pairs 35 very unfavourable

Pressure (threats to the trigger species and/or their habitats)
Threat level 1 Threat level 2 Timing Scope Severity Result
Climate change and severe weather habitat shifting and alteration happening now majority/most of area/population (50-90%) moderate to rapid deterioration high

Response (conservation actions taken for the trigger species and/or their habitats)
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90%) covered by appropriate conservation designation A management plan exists but it is out of date or not comprehensive Not assessed low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)
Marwick Head Nature Reserve 10 protected area overlaps with site 0
Marwick Head Site of Special Scientific Interest (UK) 9 protected area overlaps with site 9
Marwick Head Special Protection Area (Birds Directive) 476 protected area contains site 9
Marwick Head Marine Protected Area (OSPAR) 0 protected area overlaps with site 0
Marwick Head RSPB Reserve 10 protected area overlaps with site 5

Habitats

Habitat (IUCN level 1) Habitat detail Extent (% of site)
Grassland -
Marine Coastal/Supratidal -
For more information about the IUCN Habitat classification, please click here.

Land use

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


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Marwick Head. Downloaded from https://datazone.birdlife.org/site/factsheet/marwick-head-iba-united-kingdom on 22/02/2024.