Great Gull Island


IBA Justification

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.