There were more but most were out of focus. Trying to capture the little fellow wriggling about with an autofocus camera is not easy. A conventional lens barrel focus ring as found on DSLRS (?) would have made life much easier - one of the features I miss on making the transition to digital.
Too bad the little critters can carry Hantavirus that really mess you up.
Odds are you won't get it, but always be careful. Better safe than sorry.
Oh, and they're cute until you have to get rid of a whole bunch of them. I once caught 28 in a three month period back in 1993. They almost drove me mad... or maybe they did