Like the guanaco, they are frequently lick calcareous stones and rocks that are rich in salt, and drink is also salt water.
Vicuñas live in family-based groups of one male, taken 5-15 females and their young. Young males form bachelor groups and young women to join the search for a fraternity. Along with preventing intraspecific competition, it also prevents inbreeding, which has a population bottleneck in endangered species can cause as observed with cheetahs. The wool is renowned for its warmth. Its warming properties of the tiny scales that are on the hollow air filled fibers come. At the same time it is finer than any other wool in the world, measuring 12 microns in diameter but because they are sensitive to chemical treatment, the wool is usually left in its natural color. During the time of the Incas, vicuna fiber is called by local efforts
Chacu were assembled, where crowds of people herded hundreds of thousands of
vicuña into previously defined funnel traps.
From June 2007, prices for
vicuña yarns and fabrics of $ 1,800 to $ 3,000 per meter range.
Vicuña fiber for clothing (including socks, sweaters, accessories, scarves, coats, suits and) and home fashion (such as blankets and throws) are used. A scarf costs about $ 1,500, while a man's coat cost up to $ 20,000.