Diepholzer Moorschnucke (Moorland sheep) (Ovis aries), a rare old breed adapted to moorland living, Rehdener Geestmoor, Lower Saxony, Germany, Europe

Gloucester Old Spot pigs drink from a trough, Gloucestershire, United Kingdom

Gloucester Old Spot pig, Gloucestershire, United Kingdom

Gloucester Old Spot pig, Gloucestershire, United Kingdom

Gloucester Old Spot pig, Gloucestershire, United Kingdom

Gloucester Old Spot pig drinks from a trough, Gloucestershire, United Kingdom

Gloucester Old Spot pig, Gloucestershire, United Kingdom

Man leading Beef Shorthorn rare breed bull at the Singleton Show, Singleton, Upper Hunter Valley, New South Wales, Australia, Pacific

Soay sheep being used for conservation grazing on Baggy Point, near Croyde in north Devon, England, United Kingdom, Europe

Soay sheep being used for conservation grazing on Baggy Point, near Croyde in north Devon, England, United Kingdom, Europe

Rare breed Ruby Red Devon cattle, UK

Soay sheep on Lundy Island, Devon, England, United Kingdom, Europe

Soay sheep being used for conservation grazing on Baggy Point, near Croyde in north Devon, England, United Kingdom, Europe

Rare breed Ruby Red Devon cattle, UK

Galloway cattle (Bos primigenius taurus) in backlight on a pasture, Döberitzer Heide nature reserve, Brandenburg, Germany, Europe

Heath sheep in a pen, Mecklenburg-Western Pomerania, Germany, Europe

Duroc pig, old domestic breed from the USA, Eggen-Hof, Vomp, Tyrol, Austria, Europe

Black Scottish Highland cattle with long wavy coat feeding on hay, England, United Kingdom

Close up of brown Scottish Highland bull with long wavy coat and nose ring in a barn, England, United Kingdom

Three English Longhorn cows in a barn, looking at camera, England, United Kingdom