A pallid bat (Antrozous pallidus) was taken 20 km SE Warren, Carbon County, Montana. This represents a 410 km range extension and a new record for Montana.
Shryer, Jeff and Flath, Dennis L.
"First record of the pallid bat (Antrozous pallidus) from Montana,"
Great Basin Naturalist: Vol. 40
, Article 2.
Available at: http://scholarsarchive.byu.edu/gbn/vol40/iss2/2