St Kilda field mouse
... that the St Kilda field mouse lives 100 miles (160 km) off the coast of Scotland, and is twice the size of mainland mice?
... that the <b id="mwBNg"><a href="./St_Kilda_field_mouse" id="mwBNk" rel="mw:WikiLink" title="St Kilda field mouse">St Kilda field mouse</a></b> <i id="mwBNo">(pictured)</i> lives <span about="#mwt26" data-mw='{"parts":[{"template":{"target":{"wt":"convert","href":"./Template:Convert"},"params":{"1":{"wt":"100"},"2":{"wt":"mi"},"3":{"wt":"km"}},"i":0}}]}' id="mwBNs" typeof="mw:Transclusion">100 miles (160</span><span about="#mwt26" typeof="mw:Entity"> </span><span about="#mwt26">km)</span> off the coast of Scotland, and is twice the size of <a class="mw-redirect" href="./Apodemus_sylvaticus" id="mwBNw" rel="mw:WikiLink" title="Apodemus sylvaticus">mainland mice</a>?