This highly abundant sea bird is found primarily in subarctic regions of the North Atlantic and North Pacific oceans. Though sometimes mistaken with gulls, fulmars are in fact members of the same family as petrels and shearwaters. As such, they have nasal passages that attach to the upper bill called "naricorns".
Fulmars produce a stomach oil that they can spray out of their mouths to predators as a defence, fouling their plumage. These animals, like many other species of sea birds, have salt glands, which help desalinate their bodies, due to the high amount of ocean water that they imbibe.
Fulmars fly with very stiff wings, using long glides at sea. They mainly breed on sea cliffs, but can also use buildings, burrows, grassy cliffs, etc. In the shores and waters of Donegal County they can be seen most of the year, from January till October. In Argyll & Bute they can be easily spotted in the summer months, when fulmars come ashore to breed upon grassy ledges on sea cliffs.