A pack animal, also known as a sumpter animal or beast of burden, is a working animal used to transport goods or materials by carrying them, usually on its back.
Horse packing with traditional Australian pack saddle
A nomad's pack camel in Eyl, Somalia
Pack reindeer with Sami driver from The land of the midnight sun, c. 1881
1900 advertisement showing pack yaks in Tibet
A pannier is a basket, bag, box, or similar container, carried in pairs either slung over the back of a beast of burden, or attached to the sides of a bicycle or motorcycle. The term derives from a Mi
Modern touring bicycle with panniers
Tourists riding in panniers in France, in a drawing by Louis Hersent, 1833
Pack horse with soft-sided panniers
Panniers on a llama used to transport waste in a U.S. national park, 2005