Data Zone
The site was identified as internationally important for bird conservation 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 List | Season (year/s of estimate) | Size | IBA criteria |
|---|---|---|---|---|
| Red-billed Chough Pyrrhocorax pyrrhocorax | LC | breeding (2001–2004) | 14 pairs | B2 |
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 | not assessed | medium | low |
| Whole site assessed? | State assessed by | Accuracy of information | |
| yes | unset | good | |
| Pressure (threats to the trigger species and/or their habitats) | ||||
|---|---|---|---|---|
| Threat | Timing | Scope | Severity | Result |
| Human intrusions and disturbance | likely in short term (<4 years) | some of population/area (10–49%) | moderate decline (10–30% over 3 generations) | medium |
| Agricultural expansion and intensification | likely in short term (<4 years) | some of population/area (10–49%) | slow decline (1–10% over 3 generations) | medium |
| Response (conservation actions taken for the trigger species and/or their habitats) | |||
|---|---|---|---|
| Designation | Planning | Action | Result |
| Whole area (>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 |
| Year | Protected Area | Designation (management category) | % coverage of IBA |
|---|---|---|---|
| 1950 | Mynydd Cilan | Nature Reserve (V) | 6 |
| 1957 | Llyn | Area of Outstanding Natural Beauty (V) | 87 |
| 1957 | Porth Ceiriad, Porth Neigwl ac Ynysoedd Sant Tudwal | Site of Special Scientific Interest (UK) (IV) | 55 |
| 1957 | Porth Ceiriad | Nature Reserve (V) | 1 |
| 1957 | Lleyn (Llyn) | Area of Outstanding Natural Beauty (V) | 100 |
| 1998 | Muriau | Nature Reserve (V) | 4 |
| 2005 | Pen Llyn a`r Sarnau / Lleyn Peninsula and the Sarnau | Marine Protected Area (OSPAR) (UA) | 18 |
| Habitat | % of IBA | Habitat detail |
|---|---|---|
| Grassland | major (>10) | |
| Marine Coastal/Supratidal | - |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Mynydd Cilan, Trwyn y Wylfa ac Ynysoedd Sant Tudwal (United Kingdom). Downloaded from
https://datazone.birdlife.org/site/factsheet/mynydd-cilan-trwyn-y-wylfa-ac-ynysoedd-sant-tudwal-iba-united-kingdom on 23/12/2024.