black-necked grebe
... that the black-necked grebe is flightless for two months of the year?
... that the <b id="mwAyU"><a href="./Black-necked_grebe" id="mwAyY" rel="mw:WikiLink" title="Black-necked grebe">black-necked grebe</a></b> is flightless for two months of the year?