water vole

US /ˈwɑː.t̬ɚ ˌvoʊl/
UK /ˈwɑː.t̬ɚ ˌvoʊl/
"water vole" picture
1.

a rodent of the hamster family, typically found in Europe and Asia, that lives in burrows near water and has a short tail and small ears.

:
The water vole is an endangered species in some parts of the UK.
We spotted a water vole swimming across the stream.