Wikipedia: Jaguarundi (New Window)
A range map and a nice picture as well as scientific classification information about the jaguarundi. There is also a listing of subspecies.
Jaguarundi (New Window)
This page from Big Cats Online has a couple of nice pictures as well as a range map of Central and South America. There is a short listing of key facts and subspecies info as well as more extensive information.
NatureWorks: Jaguarundi (New Window)
This page has a nice concise format which highlights different aspects of the jaguarundi including such categories as characteristics, habitat, behavior, diet and life cycle.