yukonberingia<p>Tiny but mighty 💪🐿️</p><p><a href="https://mstdn.social/tags/DYK" class="mention hashtag" rel="tag">#<span>DYK</span></a> that ground squirrels first appeared in North America around 10 million years ago? However, the oldest known arctic ground squirrel remains date between 1.8 and 2.5 million years old. That&#39;s pretty impressive considering that they can still be found across the circumpolar north today!</p><p><a href="https://mstdn.social/tags/TriviaTuesday" class="mention hashtag" rel="tag">#<span>TriviaTuesday</span></a> <a href="https://mstdn.social/tags/squirrelfriend" class="mention hashtag" rel="tag">#<span>squirrelfriend</span></a> <a href="https://mstdn.social/tags/arctic" class="mention hashtag" rel="tag">#<span>arctic</span></a> <a href="https://mstdn.social/tags/groundsquirrel" class="mention hashtag" rel="tag">#<span>groundsquirrel</span></a> <a href="https://mstdn.social/tags/beringia" class="mention hashtag" rel="tag">#<span>beringia</span></a> <a href="https://mstdn.social/tags/iceage" class="mention hashtag" rel="tag">#<span>iceage</span></a></p>