Halichoerus grypus (Grey Seal)  

The breeding colonies in the Hebrides are the largest in the UK. The grey seal population of the British Isles represents about 38% of the world population, of which about 90% breed in Scotland. The sites on the Treshnish Isles (to the west of Mull) and on the Monach Islands to the west of the Uists in the Outer Hebrides are of particular importance.

Additional Information
Hebridean Whale and Dolphin Trust