Laurent Geslin / Silhouette of Cattle with wind farm in background, nr Donna Nook, Lincolnshire, UK,

Nick Upton / Close up of Pygmy goat (Capra hircus) chewing hay, Wiltshire, UK, March.

Paul Harris / 2020VISION / Woman and three children watching Domestic pigs feeding on windfall apples, Old Sleningford Community Farm, North Yorkshire, England, UK, August 2011.

Paul Harris / 2020VISION / Domestic sheep (Ovis aries) grazing on urban pasture, Mudchute Farm, Isle of Dogs, London, England, UK, August. Did you know? The domestication of sheep is hugely important to humans - more than a bil...

Chris Gomersall / 2020VISION / Two newly clipped Domesitc sheep grazing in pasture at RSPB's Hope Farm, Cambridgeshire, UK, May 2011.

Chris Gomersall / 2020VISION / Flock of newly clipped Domesitc sheep grazing in pasture at RSPB's Hope Farm, Cambridgeshire, UK, May 2011.

Nick Turner / Gloucester old spot piglets (Sus scrofa domestica) suckling at the Cotswold Farm Show, Cirencester, UK, July 2008.

Nick Turner / Gloucester old spot piglets (Sus scrofa domestica) suckling at the Cotswold Farm Show, Cirencester, UK, July 2008.

LYNN M. STONE / Sleeping mixed-breed piglet in straw, Maple Park, Illinois, USA

Ernie Janes / Domestic pig, free range sow and piglet sniffing noses, UK, August 2010

Ernie Janes / Domestic donkey (Equus asinus) looking over fence, Norfolk, UK

Ernie Janes / Domestic goat (Capra hircus) pygmy goat bleeting, portrait, UK

Ernie Janes / Boer domestic goat (Capra hircus) waiting to be fed, Norfolk, UK, September

Ernie Janes / Domestic pig, hybrid large white sow and piglets in sty, UK, September 2010

Ernie Janes / Domestic sheep, lambs playing in field, Goosehill Farm, Buckinghamshire, UK, April 2005

Ernie Janes / Free range Domestic pig (Sus scrofa domesticus) four piglets at four weeks, UK, July 2010

Ernie Janes / Free range Domestic pig (Sus scrofa domesticus) piglets play fighting, UK, August 2010

Ernie Janes / Domestic beef cattle in winter rearing shed, Scotland, UK, November 2007

Ernie Janes / Domestic sheep, lambs playing in a field, Norfolk, UK, March

Ernie Janes / Domestic pig, hybrid large white sow in free-range sty, UK, August 2010

Ernie Janes / Collecting free-range organic Chicken eggs (Gallus gallus domesticus) UK, September 2005

Wild Wonders of Europe / Munier / Sheep outside traditional wood farm houee with grass roof, Forollhogna National Park, Norway, September 2008

Colin Seddon / Suckler cow suckling calf {Bos taurus} on organic Farm, Berkshire, England UK

David Tipling / Ostrich {Struthio caamelus} portrait Ostrich farm, UK

LYNN M. STONE / Piglets sleeping {Sus scrofa domestica} USA Not available for ringtone/wallpaper use.

Morley Read / Aerial shot at dusk of a cattle farm cut out of the Amazon rainforest, a road has brought colonists and land speculators into this area which previously was primary rainforest, with the Rio Napo in th...

Morley Read / Aerial shot at dusk of a cattle farm cut out of the Amazon rainforest, a road has brought colonists and land speculators into this area which previously was primary rainforest, with the Rio Napo in th...

Laurie Hedges / Drone shot tracking over cerrado grassland and cattle ranch landscape, with dramatic rock formations, Matto Grosso, Brazil, 2019.

Laurie Hedges / Drone shot tracking over cerrado grassland and cattle ranch landscape, with dramatic rock formations, Matto Grosso, Brazil, 2019.

Laurie Hedges / Drone shot tracking over cerrado grassland and cattle ranch landscape, with tall mountains and cliffs, Matto Grosso, Brazil, 2019.

Laurie Hedges / Drone shot tracking over cerrado grassland and cattle ranch landscape, with tall mountains and cliffs, Matto Grosso, Brazil, 2019.

Laurie Hedges / Drone shot tracking over cerrado grassland and cattle ranch landscape, with tall mountains and cliffs, Matto Grosso, Brazil, 2019.

Laurie Hedges / Drone shot tracking over cerrado grassland and cattle ranch landscape, with tall mountains and cliffs, Matto Grosso, Brazil, 2019.

Laurie Hedges / Drone shot tracking over cerrado grassland and cattle ranch landscape, with tall mountains and cliffs, Matto Grosso, Brazil, 2019.

Laurie Hedges / Tracking shot over a cattle ranch in the Amazon rainforest, showing forest loss, Brazil, 2019.

Laurie Hedges / Panning drone shot over a cattle ranch in the Amazon rainforest, Brazil, 2019.

Enrique Lopez-Tapia / Woman from the village of Puga taking care of her goats. Rupshu region of Ladakh, ,India, September 2018.

Staffan Widstrand / Wild Wonders of China / Mongolian Shepherd's tent or Yurt and grazing sheep, Bayanbulagu Gatcha, grassland steppe, Inner Mongolia, China. May 2016

David Woodfall / Longhorn cattle in woodland glade, part of rewilding experiment on former farm. Knepp Wildland Project, formerly intensive farmland now turned to conservation and sustainable farming. Horsham, West Su...

Ashley Cooper / A 35 Kw solar panel system on a barn roof on a farm in Leicestershire, UK with sheep and lambs in the foreground. March 2012

Ashley Cooper / Lamb killed by a Greater Black Backed Gull (Larus marinus) that pecked its eyes out, Anglesey coast, Wales, UK.

Matthew Maran / Dairy cows on organic farm feeding on pellets during milking, East Devon, England, UK, July.

SCOTLAND: The Big Picture / Religious message on farm gate with croft in background, Aberdeenshire, Scotland, UK, January 2017

Nick Upton / Domestic sheep (Ovis aries) grazing Romney Marshes near Little Cheyne Court wind farm, Rye, Sussex, UK, June.

Colin Monteath / Domestic Sheep (Ovis aries) flock on pasture, Ben Ohau Range above Lake Pukaki, Mackenzie Country, Canterbury, New Zealand

Yva Momatiuk & John Eastcott / Highland Cattle (Bos taurus) in green pasture, Isle of Skye, Scotland

Yva Momatiuk & John Eastcott / Domestic Sheep (Ovis aries) ewes and lamb in stone-walled pasture, Isle of Skye, Scotland

Yva Momatiuk & John Eastcott / Highland Cattle (Bos taurus) in green pasture, Isle of Skye, Scotland

Yva Momatiuk & John Eastcott / Highland Cattle (Bos taurus) in green pasture, Isle of Skye, Scotland

Wild Wonders of Europe / Widstr / Shepherd with his sheep and a goat, Dolni Glavanak, Eastern Rhodope Mountains, Bulgaria, May 2013.

Wild Wonders of Europe / Widstr / Shepherd with his sheep and a goat, Dolni Glavanak, Eastern Rhodope Mountains, Bulgaria, May 2013.

Wild Wonders of Europe / Widstr / Maremmana primitiva cow (Bos taurus), Aurochs breeding site run by The Taurus Foundation, Keent Nature Reserve, The Netherlands.

Wild Wonders of Europe / Widstr / Maremmana primitiva cow (Bos taurus), Aurochs breeding site run by The Taurus Foundation, Keent Nature Reserve, The Netherlands.

Wild Wonders of Europe / Widstr / Snow covered bull (Bos taurus) flank, Aurochs breeding site run by The Taurus Foundation, Keent Nature Reserve, The Netherlands.

Wild Wonders of Europe / Widstr / Bull (Bos taurus) in snow, Aurochs breeding site run by The Taurus Foundation, Keent Nature Reserve, The Netherlands.

Wild Wonders of Europe / Widstr / Bull (Bos taurus) profile in snow, Aurochs breeding site run by The Taurus Foundation, Keent Nature Reserve, The Netherlands.

Wild Wonders of Europe / Widstr / Bull (Bos taurus) in snow, Aurochs breeding site run by The Taurus Foundation, Keent Nature Reserve, The Netherlands.

Wild Wonders of Europe / Widstr / Bull (Bos taurus) in snow, Aurochs breeding site run by The Taurus Foundation, Keent Nature Reserve, The Netherlands.

Wild Wonders of Europe / Widstr / Bull (Bos taurus) in snow, Aurochs breeding site run by The Taurus Foundation, Keent Nature Reserve, The Netherlands.

Wild Wonders of Europe / Widstr / Limia cow (Bos taurus) in snow, Aurochs breeding site run by The Taurus Foundation, Keent Nature Reserve, The Netherlands.

Wild Wonders of Europe / Widstr / Second generation cross-breed bull (Bos taurus), Aurochs breeding site run by The Taurus Foundation, Keent Nature Reserve, The Netherlands.

Wild Wonders of Europe / Widstr / Second generation cross-breed bull (Bos taurus), Aurochs breeding site run by The Taurus Foundation, Keent Nature Reserve, The Netherlands.

Wild Wonders of Europe / Widstr / Second generation cross-breed bull (Bos taurus), Aurochs breeding site run by The Taurus Foundation, Keent Nature Reserve, The Netherlands.

Wild Wonders of Europe / Widstr / Second generation cross-breed bull (Bos taurus), Aurochs breeding site run by The Taurus Foundation, Keent Nature Reserve, The Netherlands.

Wild Wonders of Europe / Widstr / Limia cow (Bos taurus) profile, Aurochs breeding site run by The Taurus Foundation, Keent Nature Reserve, The Netherlands.

Wild Wonders of Europe / Widstr / Limia cow (Bos taurus) (Bos taurus) portrait, Aurochs breeding site run by The Taurus Foundation, Keent Nature Reserve, The Netherlands.

Wild Wonders of Europe / Widstr / Second generation cross-breed bull (Bos taurus) profile, Aurochs breeding site run by The Taurus Foundation, Keent Nature Reserve, The Netherlands.

Wild Wonders of Europe / Widstr / Second generation cross-breed bull (Bos taurus) profile in mist, Aurochs breeding site run by The Taurus Foundation, Keent Nature Reserve, The Netherlands, September.

Wild Wonders of Europe / Widstr / Second generation cross-breed bull (Bos taurus) profile in mist, Aurochs breeding site run by The Taurus Foundation, Keent Nature Reserve, The Netherlands, September.

Wild Wonders of Europe / Widstr / Second generation cross-breed bull (Bos taurus) bred for the Aurochs breeding site run by The Taurus Foundation, Keent Nature Reserve, The Netherlands.

Wild Wonders of Europe / Widstr / Second generation cross-breed bull (Bos taurus) bred for the Aurochs breeding site run by The Taurus Foundation, Keent Nature Reserve, The Netherlands, September.

Wild Wonders of Europe / Widstrand / Highland cattle cow (Bos taurus) cleaning nose with tongue, Aurochs breeding site run by The Taurus Foundation, Keent Nature Reserve, The Netherlands, September.

Wild Wonders of Europe / Widstr / Limia cow (Bos taurus) udders, Aurochs breeding site run by The Taurus Foundation, Keent Nature Reserve, The Netherlands.

Wild Wonders of Europe / Widstr / Limia cow (Bos taurus), Aurochs breeding site run by The Taurus Foundation, Keent Nature Reserve, The Netherlands.

Wild Wonders of Europe / Widstr / Limia cow (Bos taurus) profile Aurochs breeding site run by The Taurus Foundation, Keent Nature Reserve, The Netherlands.

Wild Wonders of Europe / Widstr / Limia cow (Bos taurus) close up of muzzle, Aurochs breeding site run by The Taurus Foundation, Keent Nature Reserve, The Netherlands.

Wild Wonders of Europe / Widstr / Second generation crossbreed bull (Bos taurus) seen from wing mirror, bred for the Aurochs breeding site run by The Taurus Foundation, Keent Nature Reserve, The Netherlands.

Wild Wonders of Europe / Widstr / Second generation cross-breed bull (Bos taurus), Aurochs breeding site run by The Taurus Foundation, Keent Nature Reserve, The Netherlands.

Wild Wonders of Europe / Widstr / Second generation cross-breed bull (Bos taurus), Aurochs breeding site run by The Taurus Foundation, Keent Nature Reserve, The Netherlands.

Wild Wonders of Europe / Widstr / Second generation cross-breed bull (Bos taurus), Aurochs breeding site run by The Taurus Foundation, Keent Nature Reserve, The Netherlands.

Wild Wonders of Europe / Widstr / Maremmana primitive cow (Bos taurus) with crossbreed calf, Aurochs breeding site run by The Taurus Foundation, Keent Nature Reserve, The Netherlands.

Wild Wonders of Europe / Widstr / Limia cow (Bos taurus) at Aurochs breeding site run by The Taurus Foundation, Keent Nature Reserve, The Netherlands.

Wild Wonders of Europe / Widstr / Second generation cross-breed bull (Bos taurus) at the Aurochs breeding site run by The Taurus Foundation, Keent Nature Reserve, The Netherlands, September.

Wild Wonders of Europe / Widstr / Pajuna cow (Bos taurus) at Aurochs breeding site run by The Taurus Foundation, Keent Nature Reserve, The Netherlands, September.

Wild Wonders of Europe / Widstr / Limia cow (Bos taurus) at sunrise, Aurochs breeding site run by The Taurus Foundation, Keent Nature Reserve, The Netherlands, September.

Staffan Widstrand / Members of the Womens' Self Help group Morning Star carrying goat children,, Pulicat Lake, Tamil Nadu, India, January 2013.

Ernie Janes / Farmer giving ewes a supplementary feed during lambing time

Duncan Usher / Leine Sheep (Ovis aries) in stall with lamb, Lower Saxony, Germany

Duncan Usher / Leine Sheep (Ovis aries) in stall with lambs, Lower Saxony, Germany

Steven David Miller / Brahman bull in outback, Kimberley station, Old Halls Creek Track, Parry Creek Farm Wyndham, Western Australia

Nick Upton / Welsh cob and two American miniature horses (Equus caballus) reaching through a wooden fence to eat hay, Wiltshire, UK, October.

Pat Tuson / People looking over a fence at a Tamworth pig in Hackney City Farm London, England, UK, March 2011

Pat Tuson / Group of people looking over fence at a Tamworth pig Hackney City Farm London England UK, March 2011

Gavin Hellier / Ostrich farm near Pyongyang which supplies Ostrich meat to some of Pyongyang's restaurants, Democratic Peoples' Republic of Korea (DPRK), North Korea, April 2012

Alex Hyde / Gloucestershire Old Spot piglets (Sus scrofa domestica) suckling from sow. Stonebridge City Farm in central Nottingham, UK, October.

Gary K. Smith / Commercial pig farm tractor dispensing feed to feeding troughs, Norfolk, UK, May