I just got back from a few days in the north west USA. In Idaho I saw – thanks to Matt Miller – an American Badger. In Washington State I saw a Northern Flying Squirrel.
The Idaho report is here
http://www.mammalwatching.com/Nearctic/nearctusaidaho.html
and updates to my Washington page are at the bottom of
http://www.mammalwatching.com/Nearctic/nearctusawashington.html
Jon