Herd of alpacas grazing against mountains, Salinas y Aguada Blanca National Reserve, Arequipa Province, Arequipa Region, Peru, South America

Buffalo roaming free in Jackson, Wyoming, United States of America, North America

Free-range cockerel in pasture, Chedworth, The Cotswolds, Gloucestershire, England, United Kingdom

Free-range chicken of breed Isa 257 roams freely at Sheepdrove Organic Farm , Lambourn, England

Free-range Norfolk bronze turkeys return to their barn after roaming at Sheepdrove Organic Farm , Lambourn, England

Goose, Oxfordshire, United Kingdom. Free-range birds may be at risk if Avian Flu (Bird Flu Virus) spreads

Turkey, Gascony, France. Free-range birds may be at risk if Avian Flu (Bird Flu Virus) spreads

Fattened Toulouse Geese, France. Free-range birds may be at risk if Avian Flu (Bird Flu Virus) spreads

Geese farm, Oxfordshire, United Kingdom. Free-range birds may be at risk if Avian Flu (Bird Flu Virus) spreads

Geese farm, Oxfordshire, United Kingdom. Free-range birds may be at risk if Avian Flu (Bird Flu Virus) spreads

Geese farm, Oxfordshire, United Kingdom. Free-range birds may be at risk if Avian Flu (Bird Flu Virus) spreads

Free-range Norfolk bronze turkeys roam freely at Sheepdrove Organic Farm , Lambourn, England

Free-range chicken of breed Isa 257 at Sheepdrove Organic Farm , Lambourn, England

Free-range Norfolk bronze turkeys roam freely at Sheepdrove Organic Farm , Lambourn, England

Free-range chicken of breed Isa 257 at Sheepdrove Organic Farm , Lambourn, England

Free-range hen, Chedworth, Gloucestershire, United Kingdom

Horses roaming free, Wutaishan (Five Terrace Mountain) one of China's sacred Buddhist mountain ranges, Shanxi province, China, Asia

Free-range Norfolk bronze turkey at Sheepdrove Organic Farm , Lambourn, England

Free-range Norfolk bronze turkey at Sheepdrove Organic Farm , Lambourn, England