River Warbler <i><a href="//commons.wikimedia.org/w/index.php?title=Locustella_fluviatilis&amp;action=edit&amp;redlink=1" class="new" title="Locustella fluviatilis (page does not exist)">Locustella fluviatilis</a></i>, Gugny, Biebrza National Park, Poland
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/42244964@N03">Frank Vassen</a> from Brussels, Belgium
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/42244964@N03/4652767533/">River Warbler, Gugny, Biebrzański Park Narodowy, Polska</a>