There are also numerous small islands in the group. The Treshnish Isles are now uninhabited and form a sanctuary for birds and grey seals. Puffins on Lunga In the spring, Lunga is home to thousands of nesting sea birds, mainly shag, guillemot, kittiwake, razorbill and, of course, puffin. The sight and sound of the nesting colonies on the sheer side of the rock opposite provide an unforgettable experience, and the clear direct view could not be bettered anywhere.
Late autumn is the breeding season for the Atlantic grey seals.
They will often be seen around the smaller islands in the group. The two Cairn na Burg islands have often been fortified and have ruins dating back to the Vikings and beyond. Boat trips are available to the Treshnish Isles from both Mull and Iona. See our list of Visitor Attractions and Activities for more details.