On the other hand, actual biology: <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Coconut_crab" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Coconut_crab</a> (and re: the &quot;mammals&quot; comment: <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Argentinosaurus" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Argentinosaurus</a>)