Birney, E.C. 1983. Status of small mammal species reaching distributional limits in southern and western Minnesota. Final Report submitted to the Nongame Wildlife Program, Minnesota Department of Natural Resources. Unpaged.
The objective of this study was to obtain information for several species of mammals that reach distributional limits along the southern and western edges of Minnesota. Using known status of species as a reference for survey locations, we collected specimens for identification. The following target species were preserved as scientific specimens and deposited at the Bell Museum of Natural History Collection of Mammals: Cryptotis parva, Spermophilus richardsoni, Perognathus flavescens, Reithrodontomys megalotis, Onychomys leucogaster, Microtus ochrogaster, Microtus pinetorum, and Thomomys talpoides. In addition, we captured: Sorex cinereus, Blarina brevicauda, Myotis lucifugus, Lasiurus borealis, Spermophilus tridecemlineatus, Tamias striatus, Geomys bursarius, Peromyscus leucopus, Peromyscus maniculatus, Onychomys leucogaster, Microtus ochrogaster, Microtus Pennsylvanicus, Mus Musculus, Zapus hudsonius, Blarina brevicauda, Microtus pennsylvanicus, and Peromyscus leucopus