The site was identified as important in 2011 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.Populations meeting IBA criteria ('trigger species'):
|Species||Current IUCN Red List Category||Season||Year(s)||Population estimate at site||IBA criteria met|
|Glossy Ibis Plegadis falcinellus||LC||-||-||present||A4i|
|Laughing Gull Larus atricilla||LC||resident||-||present||A4i|
The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2011).
BirdLife International (2023) Important Bird Area factsheet: Raccoon Island. Downloaded from http://datazone.birdlife.org/site/factsheet/raccoon-island-iba-usa on 26/09/2023.