Western Istrian Maritime Zone

IBA Criteria

Year of most recent IBA criteria assessment: 2010

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Red-throated Loon Gavia stellata LC winter 2010 8-12 individuals B1i, C2, C6
Arctic Loon Gavia arctica LC winter 2010 100-140 individuals C2, C6
European Shag Gulosus aristotelis LC breeding 2010 150-180 breeding pairs B1i, B3, C2, C6
Sandwich Tern Thalasseus sandvicensis LC winter 2010 60-100 individuals C2, C6

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

Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Western Istrian Maritime Zone. Downloaded from on 18/01/2020.