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'):| Species | Current IUCN Red List Category | Season | Year(s) | Population estimate at site | IBA criteria met |
|---|---|---|---|---|---|
| Red-billed Chough Pyrrhocorax pyrrhocorax | LC | breeding | 2001-2004 | 14 breeding pairs | B2 |
The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2007).
| IBA conservation assessment | |||
|---|---|---|---|
| Year of assessment (most recent) | State (condition) | Pressure (threat) | Response (action) |
| 2007 | not assessed | medium | low |
| Was the whole site assessed? | State assessed by | Accuracy of information | |
| yes | unset | good | |
| Pressure (threats to the trigger species and/or their habitats) | |||||
|---|---|---|---|---|---|
| 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 |
| Human intrusions and disturbance | recreational activities | likely in short term (within 4 years) | some of area/population (10-49%) | moderate to rapid deterioration | medium |
| 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 | No management plan exists but the management planning process has begun | Some limited conservation initiatives are in place | low |
| Protected area (PA) | PA designation | PA area (ha) | Relationship of PA with IBA | Overlap of PA with IBA (ha) |
|---|---|---|---|---|
| West Wales Marine / Gorllewin Cymru Forol | Site of Community Importance (Habitats Directive) | 737,614 | protected area is adjacent to site | 0 |
| Porth Ceiriad, Porth Neigwl ac Ynysoedd Sant Tudwal | Site of Special Scientific Interest (UK) | 559 | protected area overlaps with site | 206 |
| Porth Ceiriad | Nature Reserve | 7 | protected area overlaps with site | 0 |
| Pen Llŷn a`r Sarnau/ Lleyn Peninsula and the Sarnau | Site of Community Importance (Habitats Directive) | 146,011 | protected area overlaps with site | 47 |
| Pen Llyn a`r Sarnau / Lleyn Peninsula and the Sarnau | Marine Protected Area (OSPAR) | 144,100 | protected area overlaps with site | 0 |
| Mynydd Cilan; Trwyn y Wylfa ac Ynysoedd Sant Tudwal | Special Protection Area (Birds Directive) | 373 | is identical to site | 372 |
| Mynydd Cilan | Nature Reserve | 27 | protected area overlaps with site | 0 |
| Muriau | Nature Reserve | 20 | protected area overlaps with site | 0 |
| Llyn Coast | Heritage Coast | 20 | protected area overlaps with site | 147 |
| Llyn | Area of Outstanding Natural Beauty | 15,984 | protected area overlaps with site | 0 |
| Lleyn (Llyn) | Area of Outstanding Natural Beauty | 0 | protected area contains site | 372 |
| Clogwyni Pen Llŷn/ Seacliffs of Lleyn | Site of Community Importance (Habitats Directive) | 1,045 | protected area overlaps with site | 68 |
| Habitat (IUCN level 1) | Habitat detail | Extent (% of site) |
|---|---|---|
| Grassland | - | |
| Marine Coastal/Supratidal | - |
Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Mynydd Cilan, Trwyn y Wylfa ac Ynysoedd Sant Tudwal. Downloaded from
http://datazone.birdlife.org/site/factsheet/mynydd-cilan-trwyn-y-wylfa-ac-ynysoedd-sant-tudwal-iba-united-kingdom on 22/09/2023.
