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.
![](https://bunny-wp-pullzone-5vqgtgkbhi.b-cdn.net/wp-content/uploads/2023/04/Perdido-Key-Beach-Mouse.jpg)
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.