The first of these is the common shoa 1 tailed field-mouse, or "field-vole," Microtus agrestis, which belongs to the typical section of the type genus, and M S is about the size of a 343 mouse, with a short stumpy body, and a Upper and Lower Molars of the Water-Rat tail about one-third the (or Water-Vole), Microtus amphibius.
The female mink is just small enough to enter the water vole burrows, leaving the vole with no refuge.
The urban conurbation appears to provide a stronghold for the water vole.
They are voracious predators which the water vole has not evolved to cope with.
How to spot a vole The chances are you've never seen a water vole.