Darwin's bark spider
... that Darwin's bark spider makes the longest known spider web, spanning distances of up to 25 metres (82 ft), using the toughest known biomaterial, that is ten times as tough as Kevlar?
... that <b id="mwA9M"><a href="./Darwin's_bark_spider" id="mwA9Q" rel="mw:WikiLink" title="Darwin's bark spider">Darwin's bark spider</a></b> makes the longest known <a href="./Spider_web" id="mwA9U" rel="mw:WikiLink" title="Spider web">spider web</a>, spanning distances of up to <span about="#mwt23" data-mw='{"parts":[{"template":{"target":{"wt":"convert","href":"./Template:Convert"},"params":{"1":{"wt":"25"},"2":{"wt":"m"}},"i":0}}]}' id="mwA9Y" typeof="mw:Transclusion">25 metres (82</span><span about="#mwt23" typeof="mw:Entity"> </span><span about="#mwt23">ft)</span>, using the toughest known <a href="./Biomaterial" id="mwA9c" rel="mw:WikiLink" title="Biomaterial">biomaterial</a>, that is ten times as tough as <a href="./Kevlar" id="mwA9g" rel="mw:WikiLink" title="Kevlar">Kevlar</a>?