Atlantic Grey Seal
Halichoerus grypus
Sighting evidence at Rathlin Island, Ireland

Photo: Annice Bridgett · © all rights reserved
A resident colony of grey seals hauls out on Rathlin's sea stacks and accompanies divers with characteristic curiosity, often circling within arm's length before darting away. Pups are born on shore in autumn, and young seals are particularly bold underwater in their first year. The seals hunt the same kelp forest channels as the divers, making encounters almost guaranteed on most dives.
Evidence at this site
No confirmed records on file at this site
Atlantic Grey Seal is listed as a curated species here based on historical reports.