UK159
Hermaness, Saxa Vord and Valla Field


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') at the site:
Species Red List1 Season Year(s) Size IBA criteria
Northern Gannet Morus bassanus LC breeding 1999 16,386 breeding pairs A4ii, B1ii, B2, C3
Great Skua Catharacta skua LC breeding 2001 1,074 breeding pairs A4ii, B1ii, B2, C3
Atlantic Puffin Fratercula arctica VU breeding 2002 27,949 breeding pairs B1ii, B2, C3
A4iii Species group - seabirds n/a breeding 1999-2002 66,832 breeding pairs A4iii, C4

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2007) may differ.


IBA Conservation

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2007. The most recent assessment (2007) is shown below.

IBA conservation assessment
Year of assessment State Pressure Response
2007 unfavourable very high low
Whole site assessed? State assessed by Accuracy of information
yes population good

State (condition of the trigger species' populations)
Species Reference Actual Units % remaining Result
Northern Gannet Morus bassanus 12,000 16,386 breeding pairs 100 favourable
Great Skua Catharacta skua 1,220 1,074 breeding pairs 89 near favourable
Atlantic Puffin Fratercula arctica 19,100 27,949 breeding pairs 100 favourable
Black Guillemot Cepphus grylle 380 243 individuals 64 unfavourable
A4iii Species group - seabirds 70,610 66,832 breeding pairs 95 favourable

Pressure (threats to the trigger species and/or their habitats)
Threat Timing Scope Severity Result
Climate change and severe weather happening now whole area/population (>90%) very rapid to severe deterioration very high

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas Management plan Other action Result
Most of site (50-90%) covered (including the most critical parts for important bird species) Unknown Unknown low

IBA Protection

Year Protected Area Designation % overlap with IBA
1955 Hermaness Site of Special Scientific Interest (UK) 32
1955 Hermaness National Nature Reserve 31
1972 Norwick Site of Special Scientific Interest (UK) <1
1980 Shetland National Scenic Area 42
1984 Norwick Meadows Site of Special Scientific Interest (UK) <1
1988 Saxa Vord Site of Special Scientific Interest (UK) 1
1999 Hermaness; Saxa Vord and Valla Field Special Protection Area (Birds Directive) 54
2000 Valla Field Site of Special Scientific Interest (UK) 20
2011 Hermaness, Saxa Vord and Valla Field Marine Protected Area (OSPAR) 4

Habitats

Habitat1 Habitat detail % of IBA
Grassland Humid grasslands -
Marine Coastal/Supratidal -
Shrubland Heathland -
Wetlands (inland) Blanket bogs -
1. IUCN Habitat classification.

Land use

Land use % of IBA
agriculture 100


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Hermaness, Saxa Vord and Valla Field (United Kingdom). Downloaded from https://datazone.birdlife.org/site/factsheet/hermaness-saxa-vord-and-valla-field-iba-united-kingdom on 23/11/2024.