Data Zone
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 |
|---|---|---|---|---|---|
| Arctic Tern Sterna paradisaea | LC | breeding | 2007 | 800 breeding pairs | C6 |
| Black Guillemot Cepphus grylle | LC | breeding | 2007 | 294 individuals | B1ii, B2, C3 |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2007) may differ.
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 | medium |
| 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 |
| Arctic Tern Sterna paradisaea | 1,690 | 800 | breeding pairs | 48 | unfavourable |
| Black Guillemot Cepphus grylle | 380 | 294 | individuals | 78 | near 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%) | moderate to rapid deterioration | very high |
| Response (conservation actions taken for the trigger species and/or their habitats) | |||
|---|---|---|---|
| Protected areas | Management plan | Other 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90%) covered by appropriate conservation designation | A management plan exists but it is out of date or not comprehensive | Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity | medium |
| Year | Protected Area | Designation | % overlap with IBA |
|---|---|---|---|
| - | North Hill | RSPB Reserve | 82 |
| 1973 | North Hill | Site of Special Scientific Interest (UK) | 84 |
| 1988 | Holm of Papa Westray | Site of Special Scientific Interest (UK) | 20 |
| 1995 | Papa Westray (North Hill and Holm) | Special Protection Area (Birds Directive) | 100 |
| 1996 | North Hill | Nature Reserve | 72 |
| 2014 | Papa Westray | Nature Conservation Marine Protected Area | 20 |
| 2014 | Papa Westray | Marine Protected Area (OSPAR) | 20 |
| Habitat1 | Habitat detail | % of IBA |
|---|---|---|
| Grassland | - | |
| Marine Coastal/Supratidal | - | |
| Shrubland | Heathland | - |
| Wetlands (inland) | Standing freshwater | - |
| Land use | % of IBA |
|---|---|
| agriculture | - |
| nature conservation and research | - |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Papa Westray (North Hill and Holm) (United Kingdom). Downloaded from
https://datazone.birdlife.org/site/factsheet/papa-westray-(north-hill-and-holm)-iba-united-kingdom on 23/11/2024.