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Location Spain, Baleares
Central coordinates 1o 12.00' East  38o 59.00' North
IBA criteria A1, A4i, A4ii, B1i, B1ii, B2, C1, C2, C6
Area 147 ha
Altitude 0 - 74m
Year of IBA assessment 2007


Site description A group of islets to the west of Ibiza. The largest island, Conejera, has cliffs and is dominated by Juniperus scrub. There are no permanent inhabitants but there are many visitors during the summer. The rest of the islets are rocky with sparse scrub cover.

Key Biodiversity This is an important site for breeding seabirds.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Calonectris diomedea breeding  1991  100-300 breeding pairs  medium  B2, C6  Not Recognised 
Balearic Shearwater Puffinus mauretanicus breeding  1991  50-100 breeding pairs  medium  A1, A4ii, B1ii, B2, C1, C2  Critically Endangered 
European Storm-petrel Hydrobates pelagicus breeding  1991  2,100-4,000 breeding pairs  medium  A4ii, B1ii, B2, C2, C6  Least Concern 
Audouin's Gull Larus audouinii breeding  1996  200-250 breeding pairs  good  A1, A4i, B1i, B2, C1, C2, C6  Least Concern 

IBA Monitoring

2014 very high not assessed not assessed

Residential and commercial development tourism and recreation areas likely in short term (within 4 years) whole area/population (>90%) very rapid to severe deterioration very high


IUCN habitat Habitat detail Extent (% of site)
Coastline Rock stacks and islets; Sea cliffs and rocky shores  -
Caves and subterranean habitats (non-aquatic) Caves  -

Land use

Land-use Extent (% of site)
hunting 10%
not utilised 90%
military 10%

Protection status National None International None

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Isle of Conejera and islets of Bledes and Espartar (Ibiza). Downloaded from on 24/10/2016

To provide new information to update this factsheet or to correct any errors, please email BirdLife