Mus musculus domesticus; the House Mouse
The house mouse is originally from Asia and arrived during the Iron Age. It has had a stable population of approximately 5,400,000 for the last 25 years. They are typically poor competitors of native mice i.e. the wood mouse (Apodemus sylvaticus) in wild habitats and so ordinarily ae found in urban areas.
They breed very quickly which is no doubt how they have survived so long; though they are readily killed as pests this appears to have little overall impact. The females may have up to 10 litters per year of up to 8 mouse pups which become sexually mature within 5 - 6 weeks.
They breed very quickly which is no doubt how they have survived so long; though they are readily killed as pests this appears to have little overall impact. The females may have up to 10 litters per year of up to 8 mouse pups which become sexually mature within 5 - 6 weeks.