Sombre Tit <i>Poecile lugubris</i>, Bulgaria
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/61079970@N06">Steve Riall</a>
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/sriall/7167904934/">Poecile lugubris-Sombre Tit</a>