A woman carries lambs back to their mother, Tsum Valley, Nepal, Asia

Woman carrying her sheep, Ollantaytambo, Peru, South America

Dall sheep (Ovis dalli) mother and two-day-old lamb in captivity, Denver Zoo, Denver, Colorado, United States of America, North America

Posada de Tigua, Cotopaxi Province, Ecuador

Posada de Tigua, Cotopaxi Province, Ecuador

Sheep and goats in a pen for the night, Rumbak village, Hemis National Park, Ladakh region, state of Jammu and Kashmir, India, Asia

Sheep at weekly cattle market in Azrou, Morocco

Father and children, with sheep, in yard of house tied to their work, Tighza, Ounila River valley, Ouarzazate Province, Draa-Tafilalet region, Morocco

Family in yard of house tied to their work, village of Tighza, Ounila River valley, Ouarzazate Province, Draa-Tafilalet region, Morocco

Sheep being shorn at the Long Island sheep farm outside Stanley in the Falkland Islands, South Atlantic Ocean, South America

Sheep being shorn at the Long Island sheep farm outside Stanley in the Falkland Islands, South Atlantic Ocean, South America

A native Herdwick sheep and feeding lamb near Grassmere in the Lake District National Park, United Kingdom

Walter Clay a farmer feeding his sheep on Ovenden moor near Keighley, West Yorkshire, UK.

Dall sheep ewe and nursing lamb (Ovis dalli) in the Chugach Mountains South of Anchorage in South-central Alaska in autumn; Alaska, United States of America

Winter scenery with snow on the ground. A young girl holding a young lamb, Provo, Utah, USA