Ponziane islands

IBA Criteria

Year of most recent IBA criteria assessment: 2000

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Scopoli's Shearwater Calonectris diomedea LC resident 1986 present C6
European Shag Gulosus aristotelis LC resident 1986 present C6
Montagu's Harrier Circus pygargus LC passage 1997 max 200 individuals C6
Peregrine Falcon Falco peregrinus LC resident 1996 15-20 breeding pairs B2, C6
Blue Rock-thrush Monticola solitarius LC resident 1996 50-100 breeding pairs B2

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)
Ventotene e S. Stefano Marine Nature Reserve 0 protected area contained by site 0
Parco nazionale del Circeo Parco Nazionale 5,616 protected area overlaps with site 110
Isole di Ventotene e S. Stefano State Nature Reserve 0 protected area contained by site 0
Isole di Ponza e Palmarola State Nature Reserve 0 protected area contained by site 0


IUCN Habitat Habitat detail Extent (% of site)
Forest Broadleaved evergreen woodland -
Shrubland Sclerophyllous scrub, garrigue and maquis -
Sea -
Coastline Sea cliffs and rocky shores, Rock stacks and islets, Shingle & stony beaches -
Artificial/Terrestrial Highly improved re-seeded landscapes, Perennial crops, orchards and groves, Urban parks and gardens, Ruderal land -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
agriculture -
fisheries/aquaculture -
hunting -
nature conservation and research -
tourism/recreation -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Ponziane islands. Downloaded from on 08/08/2022.