The Perdido Key beach mouse (Peromyscus polionotus trissyllepsis) is a critically endangered rodent species found only Alabama’s Gulf Coast. It is named for Perdido Key, Baldwin County.

The Perdido Key beach mouse (Peromyscus polionotus trissyllepsis) is a critically endangered rodent species found only Alabama’s Gulf Coast. It is named for Perdido Key, Baldwin County.