While they look like their cousins, there are lots of subtle differences. Llamas are taller and weight more than alpacas. Alpacas weigh an average of about 150 pounds while llamas can weigh as much as 400 pounds or more. An alpaca can be about 34 to 36 inches at the shoulder, while a llama typically is between 42 and 46 inches tall.
Not Alpacas