Category: Science - Biology
Subspeciation in the Meadow Mouse, Microtus pennsylvanicus, in Wyoming, Colorado, and Adjacent Areas
In the region including Wyoming and Colorado, _Microtus pennsylvanicus_ has been divided into two subspecies: the pale _M. p. insperatus_ (J. A. Allen) inhabits the Black Hills of the northeasternmost part of Wyoming; the dark _M. p. modestus_ (Baird) inhabits extensive areas...