<br /> <p>Footage posted by a cruise company in Australia is described as showing a sighting of a rare white humpback whale.</p><br /><p>The video, posted initially to Facebook by September 1 and then to YouTube on September 8, is said to show a whale named Migaloo, a rare albino humpback whose movements have attracted great attention</a> and a Twitter account</a>. Credit: Big Cat Green Island Reef Cruises</p><br />
