Incognitoolithus
... that the shell of Incognitoolithus, the largest known North American fossil bird egg from the Eocene, bears possible peck-marks from a predatory bird?
... that the shell of <i id="mwBXY"><b id="mwBXc"><a href="./Incognitoolithus" id="mwBXg" rel="mw:WikiLink" title="Incognitoolithus">Incognitoolithus</a></b></i>, the largest known North American fossil <a href="./Bird_egg" id="mwBXk" rel="mw:WikiLink" title="Bird egg">bird egg</a> from the <a href="./Eocene" id="mwBXo" rel="mw:WikiLink" title="Eocene">Eocene</a>, bears possible peck-marks from a predatory bird?