The site was identified as internationally important for bird conservation in 2012 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.
Populations meeting IBA criteria ('trigger species') at the site:Species | Red List | Season (year/s of estimate) | Size | IBA criteria |
---|---|---|---|---|
Piping Plover Charadrius melodus | NT | winter (-) | present | A1 |
Sandwich Tern Thalasseus sandvicensis | LC | non-breeding (1999) | min 3,816 birds | A4i |
Royal Tern Thalasseus maximus | LC | non-breeding (1999) | min 803 birds | A4i |
Year | Protected Area | Designation (management category) | % coverage of IBA |
---|---|---|---|
1975 | Rookery Bay | Aquatic Preserve (IV) | 76 |
1978 | Rookery Bay | National Estuarine Research Reserve (IV) | 79 |
1991 | Maximum 30 MPH in Channel/Slow Speed or 20 MPH Outside Channel | Manatee Protection Zones (V) | 29 |
1991 | Idle Speed | Manatee Protection Zones (V) | 15 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Big Marco Pass Shoal (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/big-marco-pass-shoal-iba-usa on 25/12/2024.