Above: @Clairey2112's amazing capture of mating water voles, something I've only seen once and never managed to photograph. Mating can be quite violent, as the male scruffs the female to hold her still. Assuming a pregnancy occurs, the pups will be born in 21-22 days' time and there'll be between 3 and 8 of them. They'll emerge from the burrow around four weeks later.
Below: a White Lion Meadow vole. There were two about last night, one down by the wood yard.
You can see more of @Clairey2112's stunning photos at Mrs Scattercushion's wildlife photos.