The water vole, or water rat, of Europe (Arvicola amphibius) is a common large aquatic species. The short-tailed field vole (A. Agrestis) of northern and Central Europe, and asia, the southern field vole (A. Arvalis), and the siberian root vole (A. Oeconomus), are important European species. The common species of the Eastern united states (A. Riparius) (called also meadow mouse) and the prairie mouse (A. Austerus) are abundant, and often injurious to vegetation. Other species are found in canada.
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I seem to remember a fascinating video about a water vole/shrew (or similar) that uses its paws to feel underwater rocks for likelihood of harbouring insects. I believe this was made obvious by direct observation and also an obvious enlargement of ...
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