The llama is a South American relative of the camel, though the llama does not have a hump.
These sturdy creatures are domestic animals used by the peoples of the Andes Mountains. (Their wild relatives are guanacos and vicuñas). Native peoples have used llamas as pack animals for centuries. Typically, they are saddled with loads of 50 to 75 pounds. Under such weight they can cover up to 20 miles in a single day. Pack trains of llamas, which can include several hundred animals, move large amounts of goods over even the very rough terrain of the Andes.
Llamas are willing pack animals but only to a point. An overloaded llama will simply refuse to move. These animals often lie down