The organizer in me wants to chime in and alphabetize simultaneously:
Bears- Pennsylvania,
Big Cats (lion, tiger, liger, cougar, etc.)- Pennsylvania,
Coatimundi- California,
Crocodilians (alligator, caiman, etc.)- California,
Degu- Pennsylvania (illegal to import and no licensed breeders in state),
Ferrets - California, NYC,
Fox- Pennsylvania (red and grey, unsure of Fenec)
Flying Squirrels - Connecticut,
Hedgehogs - Arizona, California, Pennsylvania,
Monkies/Primates- California, Colorado, Connecticut, Georgia, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Minnesota, New Hampshire, New Jersey, New Mexico, New York, Pennsylvania, Rhode Island, Utah, Vermont, Wyoming
North American Opossums- Pennsylvania,
Pitbulls- Denver, CO; illegal in Miami Dade county (FL); Columbus, OH;
Prairie Dogs- California,
Quaker Parrots- California,
Raccoons- Pennsylvania
Rattlesnakes- Pennsylvania,
Skunks- AL, AK, Ar, AZ, CA, CO, CN, DE, GA, HA, ID, IL, KA, KY, LA, ME, MD, MA, MI, MO, MN, NB, NV, NC, ND, OK, RI, SC (after current captive animals have died), TN, TX, UT, VT, VA, WA, WV.
Serval cat- Pennsylvania,
Snapping turtles- California,
Sugar gliders- Massachusetts, illegal in Minneapolis/St.Paul (MN); Pennsylvania;
Wolves- Pennsylvania (hybrids are accepted, I think)
Wolf/Dog hybreds- California
What frosts my buns is how darn hard it is to get a list of what you can and can't keep. PA's laws, for all the restrictions, are pretty simple: if it's native wildlife, you need a permit to rehabilitate or you can't keep it. So alligators and hot (venomous) southern US snakes are all right... at the discretion of the Fish and Game department, who have been just *so* reasonable about hedge hogs.