Mange has decimated the population of wild vicunas and guanacos in an Argentinian national park that was created to conserve them, according to a new study. The findings suggest domestic llamas ...

A group of photographers became key players in a nature scene when a puma briefly used them to hide from its prey, a guanaco. Watch here. The post WATCH: Puma Hides Behind Photographers to Hunt ...

This week, the zoo’s baby animal du jour is a female guanaco calf, seen above with her mother, Hannah, in their outdoor enclosure. The calf was born in mid-October.