Question: how to tell the difference between a llama and alpaca?
Answer: At first glance, alpacas may resemble their larger camelid cousin the llama, but they are quite different. Their ears: Alpaca ears have short spear-shaped ears while llamas have much longer, banana-shaped ears. Their size: Alpacas generally weigh in at around 150 pounds while llamas can get as heavy as 400 pounds.