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 IBA criteria.
Populations meeting IBA criteria ('key species') at the site:| Species | Red List | Season (year/s of estimate) | Size | IBA criteria |
|---|---|---|---|---|
| Cory's Shearwater Calonectris borealis | LC | passage (-) | 10,000–100,000 individuals | A4ii, B1ii, C2 |
| Balearic Shearwater Puffinus mauretanicus | CR | passage (-) | 1,001–10,000 individuals | A1, A4ii, B1ii, C1, C2 |
| Audouin's Gull Larus audouinii | VU | passage (-) | 1,001–10,000 individuals | A1, A4i, B1i, C1, C2 |
| Audouin's Gull Larus audouinii | VU | winter (-) | 51–100 individuals | A1, C1 |
| Lesser Black-backed Gull Larus fuscus | LC | passage (-) | 1,001–10,000 individuals | A4i, B1i, C3 |
| Yellow-legged Gull Larus michahellis | LC | breeding (-) | 12,000 breeding pairs | A4i, B1i, C3 |
| Yellow-legged Gull Larus michahellis | LC | winter (-) | 1,001–10,000 individuals | A4i, B1i, C3 |
| Atlantic Puffin Fratercula arctica | VU | passage (-) | 1,001–10,000 individuals | B1ii, C3 |
| Razorbill Alca torda | LC | passage (-) | 1,001–10,000 individuals | A4ii, B1ii, C3 |
| A4iii Species group - seabirds | n/a | passage (-) | 50,000-99,999 individuals | A4iii, C4 |
| A4iii Species group - waterbirds | n/a | breeding (-) | 20,000-49,999 individuals | A4iii, C4 |
| Habitat | % of IBA | Habitat detail |
|---|---|---|
| Marine Neritic | 100 |
| Land use | % of IBA |
|---|---|
| urban/industrial/transport | - |
| tourism/recreation | - |
| fisheries/aquaculture | - |
Recommended citation
BirdLife International (2025) Important Bird Area factsheet: Strait of Gibraltar (Gibraltar (to UK)). Downloaded from
https://datazone.birdlife.org/site/factsheet/strait-of-gibraltar-iba-gibraltar-(to-uk) on 25/01/2025.