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Location Spain
Central coordinates 5o 40.21' West  35o 57.75' North
IBA criteria A1, A4i, A4ii, B1i, B1ii, C1, C2, C3
Area 257,285 ha
Year of IBA assessment 2011


Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Calonectris diomedea passage  2007  489,607-673,032 individuals  A4ii, B1ii, C2  Not Recognised 
Balearic Shearwater Puffinus mauretanicus passage  2007  12,864-27,631 individuals  A1, A4ii, B1ii, C1, C2  Critically Endangered 
Northern Gannet Morus bassanus passage  2007  13,599-24,073 individuals  A4ii, B1ii, C3  Least Concern 
Audouin's Gull Larus audouinii passage  2007  42,000-48,000 individuals  A1, A4i, B1i, C1, C2  Least Concern 
Sandwich Tern Thalasseus sandvicensis passage  2006  min 4,000 individuals  B1i, C2  Least Concern 
Great Skua Catharacta skua passage  2007  2,798-5,310 individuals  A4ii, B1ii, C3  Least Concern 

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Estrecho de Gibraltar. Downloaded from on 25/10/2016

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