alpaca (ălpăkˈə) [key], partially domesticated South American mammal, Lama pacos, of the camel family. Genetic studies show that it is a descendant of the vicuña. Although the flesh is sometimes used for food, the animal is bred chiefly for its long, lustrous wool, which varies from black, through shades of brown, to white. Flocks of alpaca are kept by indigenous people in the highlands of Bolivia, Chile, and Peru. They feed on grasses growing close to the snow line, and they require a pure water supply.
The Incas had domesticated the alpaca and utilized its wool before the Spanish Conquest, but subsequently the alpaca and the llama were extensively hybridized, leading to a gradual reduction in the amount of high quality alpaca wool. Exporting of alpaca wool to Europe began after Sir Titus Salt discovered (1836) a way of manufacturing alpaca cloth. Breeding alpacas is a small but growing industry in the United States, Canada, and some other non-Andean nations.
Alpacas are classified in the phylum Chordata, subphylum Vertebrata, class Mammalia, order Artiodactyla, family Camelidae.
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