Ashley Cooper / Climber i on Sgurr Alasdair on the Cuillin Ridge, Isle of Skye, Scotland. March 2006

SCOTLAND: The Big Picture / Stormy skies at sunset over Soay and Loch Scavaig from Isle of Skye, Scotland, UK, October 2013.

SCOTLAND: The Big Picture / Stormy skies at sunset over Soay and Loch Scavaig from Isle of Skye, Scotland, UK, October 2013.

SCOTLAND: The Big Picture / Stormy skies over Soay and Loch Scavaig from Isle of Skye, Inner Hebrides, Scotland, UK, October 2013.

Brent Stephenson / Soay sheep (Ovis aries) lamb, St Kilda, Outer Hebrides, Scotland. May.

Brent Stephenson / Soay sheep (Ovis aries) ram with a tuft of wool remaing. These sheep are known for their ability to self-shed their fleece. St Kilda, Outer Hebrides, Scotland. July.

Brent Stephenson / Soay sheep (Ovis aries) feed amongst the cleats and stone walls on the main island of Hirta. St Kilda, Outer Hebrides, Scotland. June.

Brent Stephenson / Two Soay sheep (Ovis aries) rams feed on short grass on the main island of Hirta. St Kilda, Hebrides, United Kingdom. June.

Brent Stephenson / Soay sheep (Ovis aries) ram climbing over a low stone embankment. One of the oldest breeds of domestic sheep. St Kilda, Outer Hebrides, Scotland. August.

Brent Stephenson / Soay sheep (Ovis aries) ram in a field. One of the oldest breeds of domestic sheep. St Kilda, Outer Hebrides, Scotland. August.

Brent Stephenson / Soay sheep (Ovis aries) ram feeding amongst flowering bluebells (Hyacinthoides non-scripta). Lundy, Devon, United Kingdom. May.

Brent Stephenson / Soay sheep (Ovis aries) ram feeding amongst flowering bluebells (Hyacinthoides non-scripta). Lundy, Devon, United Kingdom. May.

Brent Stephenson / Soay sheep (Ovis aries) ram feeding amongst flowering bluebells (Hyacinthoides non-scripta). Lundy, Devon, United Kingdom. May.

Brent Stephenson / Soay sheep (Ovis aries) feed amongst the cleats and stone walls on the main island of Hirta. St Kilda, Outer Hebrides, Scotland. June.

Brent Stephenson / Soay sheep (Ovis aries) lamb running. St Kilda, Outer Hebrides, Scotland. June.

Brent Stephenson / Soay sheep (Ovis aries) lamb nibbles on grass beside a mossy stone. St Kilda, Outer Hebrides, Scotland. May.

Brent Stephenson / Soay sheep (Ovis aries) mother and lamb, St Kilda, Outer Hebrides, Scotland. May.

Rick Price / Domestic Soay sheep {Ovis aries} Lundy Island, Bristol Channel, UK

Dan Burton / Soay sheep {Ovis aries} Saint / St Kilda Island, Western Islands, Outer Hebrides, Scotland.

Dan Burton / Soay sheep {Ovis aries} Saint / St Kilda Island, Western Islands, Outer Hebrides, Scotland.

Dan Burton / Soay sheep {Ovis aries} grazing in front of abandonned house, Saint / St Kilda Island, Western Islands, Outer Hebrides, Scotland.

Dan Burton / Soay sheep {Ovis aries} grazing, Saint Kilda Island, Western Islands, Outer Herbrides, Scotland.

Geoff Simpson / Soay sheep lamb captive semi-domesticated breed. Highlands, Scotland, UK

Geoff Simpson / Soay sheep ewe + lamb, captive, semi-domesticated breed. Highlands, Scotland, UK

Dan Burton / Soay sheep (domestic) moulting {Ovis aries} St Kilda, Scotland

DAVID TIPLING / Soay sheep (domestic) Hirta St Kilda, Scotland, UK

Colin Monteath / Domestic Sheep (Ovis aries), Soay breed, grazing in the ruins of Hirta Village, St. Kilda, World Heritage Site, Scotland

Yves Lanceau / Domestic sheep (Ovis aries), Soay, ewe losing its thick winter coat, France

Yves Lanceau / Domestic sheep (Ovis aries), Soay, ewe losing its thick winter coat, France