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 |
|---|---|---|---|---|---|
| Red-billed Chough Pyrrhocorax pyrrhocorax | LC | breeding | 2002 | 16 breeding pairs | B2 |
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 | not assessed | not assessed | negligible |
| Whole site assessed? | State assessed by | Accuracy of information | |
| yes | unset | good | |
| Response (conservation actions taken for the trigger species and/or their habitats) | |||
|---|---|---|---|
| Protected areas | Management plan | Other action | Result |
| Little/none of site covered (<10%) | Unknown | Not assessed | negligible |
| Year | Protected Area | Designation | % overlap with IBA |
|---|---|---|---|
| 1957 | Llyn | Area of Outstanding Natural Beauty | 56 |
| 1957 | Lleyn (Llyn) | Area of Outstanding Natural Beauty | - |
| 1971 | Yr Eifl | Site of Special Scientific Interest (UK) | 5 |
| 1971 | Gallt-y-Bwlch | Site of Special Scientific Interest (UK) | <1 |
| 1971 | Carreg y Llam | Site of Special Scientific Interest (UK) | <1 |
| 1974 | Llyn Coast | Heritage Coast | <1 |
| 1979 | Dinas Dinlle | Site of Special Scientific Interest (UK) | <1 |
| 1981 | Coed Elernion | Site of Special Scientific Interest (UK) | <1 |
| 1981 | Porth Dinllaen i Borth Pistyll | Site of Special Scientific Interest (UK) | <1 |
| 1989 | Gwydir Bay | Site of Special Scientific Interest (UK) | 1 |
| 1989 | Caeau Tan y Bwlch | Site of Special Scientific Interest (UK) | <1 |
| 1990 | Pistyll | Nature Reserve | <1 |
| 1992 | Coed Cwmgwared | Site of Special Scientific Interest (UK) | <1 |
| 1993 | Caeau Tan-y-Bwlch | Nature Reserve | <1 |
| 1995 | Cappas Lwyd | Site of Special Scientific Interest (UK) | <1 |
| 2000 | Clogwyni Pen Llŷn/ Seacliffs of Lleyn | Site of Community Importance (Habitats Directive) | <1 |
| 2000 | Corsydd Eifionydd | Site of Community Importance (Habitats Directive) | <1 |
| 2001 | Cors y Wlad | Site of Special Scientific Interest (UK) | <1 |
| 2002 | Dinas Dinlle | Nature Reserve | <1 |
| 2013 | Yr Eifl | National Nature Reserve | <1 |
| Habitat1 | Habitat detail | % of IBA |
|---|---|---|
| Marine Coastal/Supratidal | - |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Trefor (United Kingdom). Downloaded from
https://datazone.birdlife.org/site/factsheet/trefor-iba-united-kingdom on 23/11/2024.