olive-backed pocket mouse
... that the olive-backed pocket mouse keeps its cheek pouches clean by rubbing them in the sand?
... that the <b id="mwBco"><a href="./Olive-backed_pocket_mouse" id="mwBcs" rel="mw:WikiLink" title="Olive-backed pocket mouse">olive-backed pocket mouse</a></b> keeps its cheek pouches clean by rubbing them in the sand?