Bartragh island is a birdwatching site, well known for great skuas.

"Nocturnal foraging by great skuas is thought to be quite a rare situation.

No such certainty exists for the great skuas.

On Saturday about six great skuas arrived to take up residence on the high ground overlooking their rookeries.

Great skuas breed on the moor, along with red grouse, dunlins and golden plovers.

Early Sandwich Terns and Great Skuas also appear at this time.

White-tailed eagles can be seen as well as both Arctic skuas and great skuas.

Over 50,000 puffins, Shetland's largest gannetry and the third largest colony of great skuas in the world.

Ever a practically minded man, Stoneley devised a way of sheltering the vulnerable baby penguins from predatory great skuas.

It is of note for its breeding fulmars, gannets, shags, great skuas, puffins and guillemots.

Shags, arctic and great skuas, guillemots, razor bills and puffins also recorded increases on the 1990 season.

Great skuas, gannets and cormorants have experienced modest increases in their numbers, while herring gulls have remained stable.

"They were suffering attacks from Great Skuas, which are aggressive birds which will dive bomb you if you approach their nests.

Great skuas or (bonxies) as they are locally known, Arctic skuas, and eider duck, also nest on the moorland.

That worried us as there were several great skuas working the sky above the bog, and we spent some time waiting for the goose to return before setting off again.

The islands are a spectacular place to see gannets, guillemots, razorbills, arctic terns, shags, great skuas and manx shearwaters.

Here you can almost smell the freshness as great skuas circle overhead, snipe rise from their nests and shaggy Faroese sheep observe the scene dispassionately.

The apparent capability for hybridization has led to the abolition of the separate genus Catharacta for the Southern Hemisphere and great skuas.

The northern part of the island is an RSPB reserve due to its importance for birdlife, particularly Great skuas and red-throated divers.

For those who think the great skuas are very different from the jaegers, and want to indicate this, then pomarinus would need to be placed in the genus Catharacta.

The air was choked with fulmars pirouetting and dancing on the updraft, and great skuas swooped furiously towards my head whenever I inadvertently neared their nests.

Skuas' North Sea Diet For great skuas and other scavenging birds of the North Sea, there's no longer such a thing as a free lunch.

Arctic-loving snow buntings would eschew the higher temperatures, as would Leach’s petrel, the pintail, the common scoter and Arctic and great skuas.

Great skuas are generalist feeders so they may switch to feeding on other seabirds, which is a real concern at a time when other species are already under threat.

The yellow-legged gull is a particular problem in the Mediterranean, and great skuas were estimated to kill 7,500 petrels a year on St Kilda, an unsustainable number.