Natural fibers include alpaca, angora, bamboo*, bison, cashmere, camel, cotton, guanaco, hemp, linen, llama, mink,mohair, possum, qiviut, silk, vicuña, wool, yak as well as other less common fibers. Alpaca, cotton and wool are the most commonly used in yarns. The process of making natural yarns begins with the animals and plants from which each fiber is derived. The exact methods vary depending on the fiber and farm. We will review the processes used to make wool and cotton yarns. Though the exact techniques may vary slightly, the basic processes apply to the other fibers as well.