Unloading horses at Boulogne, 1916 (c)

Photograph, World War One, Western Front (1914-1918), 1916 (c).

During the war thousands of horses, mules and donkeys served with British forces on the Western Front. They were used to carry supplies and ammunition, transport the wounded and pull guns. Thousands of animals were killed or wounded, while others succumbed to fatigue and disease.