Spanish forces arrived in the Andes in the 1530s and finally ... First, the llama is the only camelid useful as a beast of burden. Second, the llama has a wider geographic range than the others ...

Spanish forces arrived in the Andes in the 1530s and finally ... First, the llama is the only camelid useful as a beast of burden. Second, the llama has a wider geographic range than the others ...