<i>Ancistrocerus nigricornis</i> bringing a ball of clay to close its nest. Image taken in Stuttgart, Germany
<a href="//commons.wikimedia.org/wiki/User:Pjt56" title="User:Pjt56">Pjt56</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>