St Kilda field mouse

English

Noun

St Kilda field mouse (plural St Kilda field mice)

1. A subspecies of wood mouse, Apodemus sylvaticus hirtensis, endemic to the Hebridean island of St Kilda.
   • 2022, Thomas Halliday, Otherworlds, Penguin, published 2023, page 54:

     The St Kilda field mice that live on that isolated Hebridean island, introduced by hitchhiking on Viking longships only about a thousand years ago, are already much heavier than those on the mainland.