Old skull of a donkey (<i>Equus asinus</i>), Museum of the National Veterinarian High School of Maisons-Alfort, Val-de-Marne, France
<a href="//commons.wikimedia.org/wiki/User:Jebulon" title="User:Jebulon">Jebulon</a>
<span class="int-own-work" lang="en">Own work</span>