These young males form a separate pack, and challenge the older males for the privilege of leading familial herds. Though at one time guanacos were significant resources for Patagonian Indians ...

Guanacos are social animals, forming herds composed of females, offspring, and a dominant male. Forming herds is an evolutionary protective measure against predators like pumas and Andean foxes ...

Watching the herds of guanaco, a relative of the camel, is another way - they need to see a puma first because if they don’t they could become a meal! Image by Chadden Hunter The first glimpse ...