Solifugid From Hell!
Solifugids aren't from hell folks, it just makes a catchy headline. The other day this guy (2.5" across) roared into our tent. Solifugids or Sun Spiders as they are commonly called move at high speed. They are nocturnal predators of small insects (this post is in the insect category but i realize that solifugids are not insects but arachnids) and when this fellow came into our tent he was likely hunting under the plastic ground fly. Read more about what these guys are all about on Wikipedia below:
http://en.wikipedia.org/wiki/Solifugae