Southeastern Beach Mouse
From Indian River Lagoon Project
The Southeastern beach mouse (Peromyscus_polionotus_niveiventris) is an Oldfield mouse subspecies that is only found on Florida's Atlantic coast barrier island between Volusia and Martin counties.
Description
The Southeastern beach mouse has a light brown and grayish back side, light brown forehead, and white belly. Tails are white on top and gray on the bottom. Adult males average a length of 5.3 inches while females have an average length of 5.5 inches. Females have a 2.2 inch tail while males have a two inch tail.[1]