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Llamas and alpacas may look similar, but they live very different lives

Llamas and alpacas share a common ancestry, tracing back to their wild relatives, the guanacos and vicuñas, which roam the ...
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What's the difference between a llama and an alpaca?

It's easy to mistake llamas and alpacas for each other: Both are slender fluffy four-legged mammals with long necks that live in herds. So what's the difference between these two species? "That is the ...