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Location Spain, País Valenciano
Central coordinates 0o 40.00' East  39o 55.00' North
IBA criteria A1, A4i, B1i, B2, C1, C2, C6
Area 2,500 ha
Altitude 0 - 67m
Year of IBA assessment 2000


Site description An archipelago 70 km from the Castellón coast. The islands (18 ha) have steep cliffs and are predominantly vegetated with scrub.

Key Biodiversity This is an important site for breeding seabirds and Falco eleonorae and passage migrants.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Calonectris diomedea breeding  1995  113 breeding pairs  good  C6  Not Recognised 
European Shag Phalacrocorax aristotelis resident  1995  10-15 breeding pairs  poor  B1i, C2, C6  Least Concern 
Eleonora's Falcon Falco eleonorae breeding  1995  31 breeding pairs  good  B2, C6  Least Concern 
Audouin's Gull Larus audouinii resident  1995  625 breeding pairs  good  A1, A4i, B1i, B2, C1, C2, C6  Least Concern 


IUCN habitat Habitat detail Extent (% of site)
Shrubland   -
Sea Open Sea  -
Coastline Rock stacks and islets  -

Land use

Land-use Extent (% of site)
nature conservation and research 100%
urban/industrial/transport 5%

Protection status National Low International High18 ha of IBA covered by Natural Reserve (Islas Columbretes, 18 ha). 2,500 ha of IBA covered by Special Protection Area (Islas Columbretes, 2,500 ha).

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Columbretes islands. Downloaded from on 28/10/2016

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