Herd Guards

Alpacas are normally gentle toward humans and other animals that are not seen as threatening but they have an innate dislike for canines and foxes. 

Their defence against such predators is to chase them away or pursue them and if necessary stamp at or on the predator with their front feet, rising off the ground onto their back legs if necessary before bringing their front legs down with considerable speed and force.

To read more follow the link

http://www.alpaca.asn.au/index.php/resources/alpaca-fact-sheets