Data Zone
The site was identified as important in 2020 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 List1 | Season | Year(s) | Size | IBA criteria |
|---|---|---|---|---|---|
| Red-footed Booby Sula sula | LC | breeding | 2008-2018 | 3,300 breeding pairs | A4 |
| Brown Noddy Anous stolidus | LC | breeding | 2004 | 8,300 breeding pairs | A4i |
| Lesser Noddy Anous tenuirostris | LC | breeding | 2008-2018 | 12,000 breeding pairs | A4 |
| A4iii Species group - waterbirds | n/a | breeding | 2004 | 50,000-99,999 individuals | A4iii |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2020) may differ.
| Year | Protected Area | Designation | % overlap with IBA |
|---|---|---|---|
| 1998 | Nelson Island | Strict Nature Reserve | 100 |
| 2010 | British Indian Ocean Territory Marine Protected Area (Chagos) | Marine Protected Area | 100 |
| Habitat1 | Habitat detail | % of IBA |
|---|---|---|
| Marine Coastal/Supratidal | major (>10) | |
| Marine Intertidal | major (>10) |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Nelson Island (British Indian Ocean Territory). Downloaded from
https://datazone.birdlife.org/site/factsheet/nelson-island-iba-british-indian-ocean-territory on 23/11/2024.