grey-and-buff woodpeckers
... that grey-and-buff woodpeckers roost communally in shallow holes?
... that <b id="mwAZw"><a href="./Grey-and-buff_woodpecker" id="mwAZ0" rel="mw:WikiLink" title="Grey-and-buff woodpecker">grey-and-buff woodpeckers</a></b> roost communally in shallow holes?