Measuring the weight of common crane (<i>Grus grus</i>) under Estonian University of Life Sciences research project that is lead by Aivar Leito. Ivar Ojaste ja Ott Sellis are on the photo.
<a href="//commons.wikimedia.org/w/index.php?title=User:Roberttreier&amp;action=edit&amp;redlink=1" class="new" title="User:Roberttreier (page does not exist)">Robert Treier</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>