The Elusive Charm of the Water Vole

Water voles are among Britain's most endearing mammals, yet they are also among the most vulnerable. Once a familiar sight along ditches, dykes, canals and slow rivers, their numbers have fallen dramatically over recent decades. The reasons are complex — habitat loss, pollution, extreme weather and predation by American mink — but the result is a countryside that is quieter than it should be. To spend time beside a wetland and find signs of water voles is therefore a genuine privilege. The animals themselves are secretive, often staying hidden in dense bankside vegetation, so the best way to enjoy them is to learn their field signs. A glimpse of a chestnut-brown back slipping into the water, or the famous loud "plop", may be all you get. But latrines, burrows, runs and feeding stations allow you to build a picture of where they live and how they use the bank, all while keeping your distance.

Latrines: The Toilet Habits That Give Them Away

Water voles are tidy creatures in their own way. They use favoured places as latrines — small piles of droppings left on flat stones, logs, grassy tussocks or bare earth at the water's edge. These latrines often mark territory boundaries and are regularly refreshed. The droppings themselves are distinctive: blunt-ended, cylindrical, roughly a centimetre long and half a centimetre wide, often greenish-brown from a diet of grasses and sedges. They are quite different from the pointed droppings of brown rats. A fresh latrine may glisten slightly; older ones fade and dry. If you find one, resist the urge to poke it with a stick. A photograph from a respectful distance is far better, and it leaves the site intact for the next visitor — vole or human.

Burrows, Runs and Feeding Stations

Water voles dig burrows into soft earth banks, usually at or just above the waterline. Entrances are typically four to eight centimetres across, often oval rather than round. Look for a well-worn patch of grazed grass around the entrance, sometimes called a "lawn", and runs that tunnel through the vegetation like miniature motorways. These runs may lead from the water's edge into thicker cover. Feeding stations are another giveaway: water voles snip stems at a neat forty-five-degree angle, then eat them in one place, leaving piles of short, angled cuttings. Sedge, rush and grass stems are favourites. In winter, when vegetation dies back, these signs become easier to spot, but the animals are also more vulnerable, so tread lightly and keep back from the bank edge.

Telling Water Voles Apart from Lookalikes

It is easy to mistake a brown rat for a water vole at a glance. Water voles have a blunt, rounded nose, small ears that barely protrude from the fur, and a short, furry tail. Their fur is often a rich chestnut-brown, though it can look almost black in poor light. Brown rats have a pointed snout, larger ears, a longer, scaly tail and a greyer, scruffier appearance. Bank voles are smaller, with a longer tail relative to their body, and they tend to live in drier woodland and hedgerow habitats rather than digging extensive burrow systems in waterside banks. If in doubt, look at the droppings: blunt ends mean water vole; pointed ends mean rat. The location matters too — a burrow right at the waterline is far more likely to belong to a water vole than a bank vole.

Watching Without Disturbing

Water voles are protected by law in the UK, and disturbance can have real consequences, especially for breeding females and young. The best approach is to observe from a distance and let them carry on. Use binoculars, stand well back from the bank, and avoid walking along the very edge where burrows may collapse. Keep dogs on a lead near known sites, and never attempt to dig, trap or handle a water vole. If you find a latrine or burrow, record the location and leave it exactly as you found it. Early morning and late afternoon are the best times to watch, when voles are most active. Sit still and quiet for ten or fifteen minutes; the plop of a vole entering the water is often the first sign you are in the right place. In colder months, look for signs rather than waiting for a sighting, and avoid repeated visits to the same stretch if the bank is soft or eroded.

Where and When to Look

Water voles favour slow-moving or still water with plenty of soft banks and lush bankside plants. Ditches, dykes, canal towpaths, fenland drains, grazing marsh and the quieter reaches of rivers are all worth checking. In England, the Somerset Levels, the Broads and the fens still hold important populations; in Wales, lowland wetlands and canals; in Scotland, lochs and slow rivers. Spring and summer are best for watching, but autumn and winter are excellent for finding latrines and feeding stations once the vegetation has died back. Always check access and local byelaws before setting out, and remember that the countryside is a working place as well as a wild one. A quiet, careful observer will see far more than a hurried one — and will leave the water voles' secret life undisturbed.