The site was identified as important in 2011 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.
Species |
Red List1 |
Season |
Year(s) |
Size |
IBA criteria |
Common Scoter Melanitta nigra |
LC |
passage |
2004 |
min 20,256 individuals |
A4i, B1i, C3 |
Common Loon Gavia immer |
LC |
passage |
1995 |
min 50 individuals |
A4i, B1i, C2 |
Common Loon Gavia immer |
LC |
winter |
2010 |
18-39 individuals |
C6 |
European Storm-petrel Hydrobates pelagicus |
LC |
breeding |
2004 |
min 20 breeding pairs |
C6 |
Sooty Shearwater Ardenna grisea |
NT |
passage |
2004 |
min 42,807 individuals |
A1, C1 |
Cory's Shearwater Calonectris borealis |
LC |
passage |
1999-2004 |
67,970 individuals |
A4ii, B1ii, C2 |
Cory's Shearwater Calonectris borealis |
LC |
resident |
2010 |
present |
A4ii, B1ii, C2 |
Manx Shearwater Puffinus puffinus |
LC |
passage |
2004 |
min 100,456 individuals |
A4ii, B1ii, C3 |
Balearic Shearwater Puffinus mauretanicus |
CR |
passage |
1999-2004 |
13,849 individuals |
A1, A4ii, B1ii, C1, C2 |
Balearic Shearwater Puffinus mauretanicus |
CR |
winter |
2005-2007 |
240-4,918 individuals |
A1, A4ii, B1ii, C1, C2 |
Northern Gannet Morus bassanus |
LC |
passage |
2004 |
min 398,916 individuals |
A4ii, B1ii, C3 |
European Shag Gulosus aristotelis |
LC |
resident |
2007 |
130 breeding pairs |
B3 |
Black-winged Stilt Himantopus himantopus |
LC |
resident |
2010 |
present |
C6 |
Sabine's Gull Xema sabini |
LC |
passage |
2006 |
min 6,000 individuals |
A4i, B1i, C3 |
Mediterranean Gull Larus melanocephalus |
LC |
passage |
1999-2004 |
468 individuals |
C2 |
Mediterranean Gull Larus melanocephalus |
LC |
winter |
2010 |
present |
C2 |
Little Tern Sternula albifrons |
LC |
passage |
1999-2004 |
1,258 individuals |
B1i, C2 |
Common Tern Sterna hirundo |
LC |
passage |
1999-2004 |
min 34,327 individuals |
A4i, B1i, C2 |
Sandwich Tern Thalasseus sandvicensis |
LC |
passage |
1999-2004 |
74,471 individuals |
A4i, B1i, C2 |
Arctic Jaeger Stercorarius parasiticus |
LC |
passage |
2004 |
min 3,582 individuals |
B1ii, C3 |
Pomarine Jaeger Stercorarius pomarinus |
LC |
passage |
2004 |
min 3,591 individuals |
B1ii, C3 |
Great Skua Catharacta skua |
LC |
passage |
2004 |
min 2,526 individuals |
A4ii, B1ii, C3 |
Common Murre Uria aalge |
LC |
resident |
2010 |
1-3 breeding pairs |
C2, C6 |
Red-billed Chough Pyrrhocorax pyrrhocorax |
LC |
resident |
2004 |
32-41 breeding pairs |
C6 |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2011) may differ.
1.