Tilos island and surrounding islets

IBA Criteria

Year of most recent IBA criteria assessment: 2012

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
European Shag Gulosus aristotelis LC breeding 2006-2012 73-78 breeding pairs B3
Audouin's Gull Larus audouinii VU breeding 1997-2012 7-29 breeding pairs A1, C1
Eleonora's Falcon Falco eleonorae LC breeding 2005-2006 557-564 breeding pairs A4ii, B1iii, B2, C2

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Nisos Tilos Kai Nisides: Antitilos; Pelekousa, Gaidouronisi, Giakoumis, Agios Andreas, Prasouda , Nisi Kai Thalassia Periochi Special Protection Area (Birds Directive) 17,773 is identical to site 5,668
Nisos Tilos Katafygio Agrias Zois 3,486 protected area contained by site 0
Nisides Armathia kai Makronisi tis Kasou, Antitilos kai Gaidaros tis Tilou….klp Katafygio Agrias Zois 1,149 protected area overlaps with site 0


IUCN Habitat Habitat detail Extent (% of site)
Shrubland Sclerophyllous scrub, garrigue and maquis -
Sea Sea inlets and coastal features -
Coastline Sea cliffs and rocky shores, Rock stacks and islets -
Artificial/Terrestrial Arable land, Perennial crops, orchards and groves, Other urban and industrial areas, Ruderal land -
Rocky areas (eg. inland cliffs, mountain peaks) Scree & boulders -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
agriculture -
tourism/recreation -
urban/industrial/transport -
not utilised -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Tilos island and surrounding islets. Downloaded from on 20/08/2022.