From OMG Facts:
http://www.omg-facts.com/view/Facts/19764
A chinchilla can jump 5 feet in the air.
That’s over 10 times its own height! This is because chinchillas typically live in rocky, mountainous areas where it is often necessary to jump to high ledges. This jumping ability also comes in handy when avoiding predators such as hawks, skunks, and foxes!
http://www.omg-facts.com/view/Facts/19764