Data Zone
The site was identified as important 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 List1 | Season | Year(s) | Size | IBA criteria |
|---|---|---|---|---|---|
| Double-crested Cormorant Nannopterum auritum | LC | breeding | 1974-2009 | 24,960 individuals | A4i |
| Glaucous-winged Gull Larus glaucescens | LC | breeding | 1974-2009 | 16,000 individuals | A4i |
| Caspian Tern Hydroprogne caspia | LC | breeding | 1974-2009 | 5,216 individuals | A4ii |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2012) may differ.
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: East Sand Island (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/east-sand-island-iba-usa on 23/11/2024.