<p>Over 50 on this video.
</p>
St. Cyrus Nature Reserve, Montrose, Scotland. NO753646
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CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/gails_pictures/32994985198/">Red-breasted Mergansers. Mergus serrator - Flickr</a>