Call the local wildlife rehab people. They usually know what to do for injured critters. Your local game warden or PD could probably give you some names if there are none in the phone book.
LQ
Predictable crAP:
http://www.google.com/hostednews/ap/article/ALeqM5hZpxYbNr2A8KSvdU7IiYdKslhSigD95R0PF84
Michelle Obama shines in Isabel Toledo