Year of most recent IBA criteria assessment: 2007
Populations of IBA trigger speciesSpecies | Current IUCN Red List Category | Season | Year(s) of estimate | Population estimate | IBA Criteria Triggered |
---|---|---|---|---|---|
Red-billed Chough Pyrrhocorax pyrrhocorax | LC | resident | 2000-2004 | 21 breeding pairs | B2, C6 |
Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.
For more information about the IBA assessment process and criteria please click here
Most recent IBA monitoring assessment | |||
---|---|---|---|
Year of assessment | Threat score (pressure) | Condition score (state) | Action score (response) |
2007 | medium | favourable | medium |
Was the whole site covered? | Yes | State assessed by | Population |
Accuracy of information | good |
Threats to the site (pressure) | |||||
---|---|---|---|---|---|
Threat Level 1 | Threat Level 2 | Timing | Scope | Severity | Result |
Agricultural expansion and intensification | livestock farming and ranching (includes forest grazing) - small-holder grazing, ranching or farming | likely in short term (within 4 years) | some of area/population (10-49%) | slow but significant deterioration | medium |
Energy production and mining | renewable energy | likely in short term (within 4 years) | small area/few individuals (<10%) | moderate to rapid deterioration | low |
Human intrusions and disturbance | recreational activities | likely in short term (within 4 years) | some of area/population (10-49%) | moderate to rapid deterioration | medium |
Condition of key/trigger populations (state) | ||||||
---|---|---|---|---|---|---|
Scientific | Common | TargetPop | ActualPop | Units | Remaining | Result |
Pyrrhocorax pyrrhocorax | Red-billed Chough | 9 | 21 | breeding pairs | 100 | favourable |
Conservation actions taken at site (response) | |||
---|---|---|---|
Conservation Designation | Management Planning | 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90%) covered by appropriate conservation designation | A management plan exists but it is out of date or not comprehensive | Some limited conservation initiatives are in place | medium |
Protected Area | Designation | Area (ha) | Relationship with IBA | Overlap with IBA (ha) |
---|---|---|---|---|
Ynys Mon / Anglesey | Area of Outstanding Natural Beauty | 22,010 | protected area overlaps with site | 608 |
Tre Wilmot | Site of Special Scientific Interest (UK) | 63 | protected area overlaps with site | 63 |
South Stack Cliffs | RSPB Reserve | 340 | protected area overlaps with site | 298 |
South Stack Cliffs | Nature Reserve | 340 | protected area overlaps with site | 0 |
Rhoscolyn Reedbed | Site of Special Scientific Interest (UK) | 15 | protected area is adjacent to site | 0 |
Porth Dafarch | Nature Reserve | 8 | protected area overlaps with site | 0 |
North Anglesey Marine / Gogledd Môn Forol | Site of Community Importance (Habitats Directive) | 324,949 | protected area overlaps with site | 0 |
Holyhead Mountain | Heritage Coast | 3 | protected area is adjacent to site | 102 |
Glannau Ynys Gybi/ Holy Island Coast | Site of Community Importance (Habitats Directive) | 460 | protected area contained by site | 0 |
Glannau Ynys Gybi/ Holy Island Coast | Special Protection Area (Birds Directive) | 604 | is identical to site | 608 |
Glannau Ynys Gybi: Holy Island Coast | Site of Special Scientific Interest (UK) | 401 | protected area overlaps with site | 399 |
Glannau Rhoscolyn | Site of Special Scientific Interest (UK) | 145 | protected area overlaps with site | 54 |
Anglesey Terns / Morwenoliaid Ynys Môn | Special Protection Area (Birds Directive) | 101,931 | protected area is adjacent to site | 0 |
IUCN Habitat | Habitat detail | Extent (% of site) |
---|---|---|
Shrubland | Heathland | - |
Coastline | Sea cliffs and rocky shores, Rock stacks and islets, Scree and boulders | - |
Marine Coastal/Supratidal | - |
Land-use | Extent (% of site) |
---|---|
nature conservation and research | - |
tourism/recreation | - |
Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Glannau Ynys Gybi/Holy Island Coast. Downloaded from
http://www.birdlife.org on 07/02/2023.