Even in extreme conditions, some animals can survive. Check out the photos of wildlife in the Atacama Desert that have adapted to these extremely cold temperatures.

Andean Fox Photo
Andean Fox Photo TravelBlog.org Visit the web site for photos.
Llama Video
Llamas, Desert USA Video, From this page there's a link to an article on llamas.
Nandu / Greater Rhea
Nandu / Greater Rhea Karina Diarte's photostream Flickr.com Visit the site for photos.