ScienceActually<p>Jonathan, a Seychelles giant tortoise, is the world&#39;s oldest known living land animal. As of 2025, he is estimated to be around 192 years old.</p><p><a href="https://sfba.social/tags/science" class="mention hashtag" rel="tag">#<span>science</span></a> <a href="https://sfba.social/tags/sciencefacts" class="mention hashtag" rel="tag">#<span>sciencefacts</span></a> <a href="https://sfba.social/tags/jonathanthetortoise" class="mention hashtag" rel="tag">#<span>jonathanthetortoise</span></a> <a href="https://sfba.social/tags/tortoise" class="mention hashtag" rel="tag">#<span>tortoise</span></a> <a href="https://sfba.social/tags/gianttortoise" class="mention hashtag" rel="tag">#<span>gianttortoise</span></a> <a href="https://sfba.social/tags/seychellesgianttortoise" class="mention hashtag" rel="tag">#<span>seychellesgianttortoise</span></a></p>