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 |
---|---|---|---|---|
Roseate Tern Sterna dougallii | LC | breeding (1993–1999) | 1,056–1,747 pairs | A4i |
Common Tern Sterna hirundo | LC | breeding (1999) | 10,000 pairs | A4i |
A4iii Species group - waterbirds | n/a | breeding (-) | 10,000-19,999 pairs | A4iii |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Great Gull Island (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/great-gull-island-iba-usa on 23/12/2024.