Water vole : See under Vole.

Example:


Taxonomy
water vole, Fauna, species, voles, European Water Vole, Arvicola amphibius, burrows, Conservation, Handbook, Mammals, free encyclopedia, Arvicola terrestris, Amori, wetland habitats, American Mink, populations, Wildlife Conservation, Conservation Research Unit.

Defination from the web:
Water Vole (Arvicola amphibius formerly called A. terrestris) is a semi-aquatic mammal that resembles a rat. ... There is another water vole found in northwestern United States, and southwestern Canada. ...