Black Duck Joint Venture
... that the Black Duck Joint Venture uses helicopter surveys to identify trends in breeding populations of the American Black Duck ?
... that the <b id="mwDBw"><a href="./Black_Duck_Joint_Venture" id="mwDB0" rel="mw:WikiLink" title="Black Duck Joint Venture">Black Duck Joint Venture</a></b> uses helicopter surveys to identify trends in breeding populations of the <a class="mw-redirect" href="./American_Black_Duck" id="mwDB4" rel="mw:WikiLink" title="American Black Duck">American Black Duck</a> <i id="mwDB8">(pictured)</i>?