Bonin white-eye
... that the Bonin white-eye can evidently learn about new food sources by watching warbling white-eyes feed?
... that the <b id="mwmA"><a href="./Bonin_white-eye" id="mwmQ" rel="mw:WikiLink" title="Bonin white-eye">Bonin white-eye</a></b> can evidently learn about new food sources by watching <a href="./Warbling_white-eye" id="mwmg" rel="mw:WikiLink" title="Warbling white-eye">warbling white-eyes</a> feed?