Loch na Keal is one of the largest sea lochs and offers opportunities to see many  of Mulls best birds. In winter through to early spring, Slavonion Grebe, in eclipse & in summer plumage, Great northern & Red throated Diver, occasional Black throated Diver, Winter ducks are Wigeon, Teal & Goldeneye, plus all year Red breasted Mergansers, Mallard, Eider & Shelduck. There is always the chance, after winter storms, of picking up a vagrant or rare bird from North America.
It is  always well worth checking Loch na Keal with your scope for rarities or vagrants..
Sea birds include Gannet, Fulmar, Kittewake, GBB & LBB Gulls, Common Gull, Guillemot & Black Guillemot.
Regular waders are (in Autumn and Winter) Greenshank, Redshank, Dunlin & Turnstone, and in Spring & Summer months, Common Sandpiper, Ringed Plover, Oyster Catcher, (all year round) also on the shore Rock pipit. In the open areas around the loch are Meadow Pipit, Tree Pipit & Sky Lark. The scrub areas hold Stonechat, Whinchat, Whitethroat, Willow and many other warblers in the summer months.
 

Scanning the hills can regularly produce White tailed Sea Eagles and  Golden Eagle, (often flying together) plus Raven, Kestrel, Sparrow Hawk  & Buzzard. Peregrine Falcon are occasionally seen near the sea cliffs at Griburn area hunting Rock Dove and Feral Pigeon, and  there is always the chance of picking up a Merlin as it flashes past.
In summer months, a very rewarding walk along the shore of Loch Ba can produce Red-throated Diver, Common Sandpiper, Pied & Grey Wagtail, Dipper, Redstart, Wood & Willow Warbler, Spotted Flycatcher & Tree Creeper. And one again, keep scanning the horizon and hills for Raptors.