Field vole
Enw gwyddonol: Microtus agrestis
With a population of 75 million, the field vole is one of the UK's most common mammals. Hidden among the vegetation of grassland, heathland and moorland, it is not as easily spotted as the similar bank vole.
Species information
Ystadegau
Length: 8-13cmTail: 3-4cm
Weight: 20-50g
Average lifespan: 1 year
Statws cadwraethol
Common.