Damaraland mole rats
... that a colony of Damaraland mole rats have been estimated to excavate as much as three tons of earth over a two week period?
... that a colony of <b id="mwBNE"><a class="mw-redirect" href="./Damaraland_mole_rat" id="mwBNI" rel="mw:WikiLink" title="Damaraland mole rat">Damaraland mole rats</a></b> have been estimated to excavate as much as three tons of earth over a two week period?