Llama distinguished by the inhabitants of South America are recognized as distinct species, though with difficulties in defining their distinctive characteristics. These are: The llama and alpaca are only known in the domestic state, and are variable in size and of many colors, being often white, brown, or piebald. Some are grey or black. The guanaco and vicuña are wild, the former being endangered, and of a nearly uniform light-brown color, passing into white below. They certainly differ from each other, the vicuña being smaller, more slender in its proportions, and having a shorter head than the guanaco. The vicuña lives
Lamini northeastern Argentina. Guanacos can also be found in Bolivia, Chile, Paraguay, and Peru. The llama is the largest of the extant laminoids and weighs with a height of at the shoulder. Llamas are not a natural species; rather, they were domesticated by the Peruvians and Bolivians of the highlands. Commercial trade led to the llama's current abundance in Colombia, Ecuador, Peru, Bolivia, Chile, Paraguay, and northeast Argentina. There are bands of llamas in the United States, Europe, Japan, and New Zealand. The color and length of the llama's wool is variable, depending on the race. The diameter of llama wool's