nest
... that the Long-tailed Tit uses moss and the silk of spider egg cocoons as a natural form of Velcro for holding its nest together?
... that the <a class="mw-redirect" href="./Long-tailed_Tit" id="mwCLo" rel="mw:WikiLink" title="Long-tailed Tit">Long-tailed Tit</a> uses <a href="./Moss" id="mwCLs" rel="mw:WikiLink" title="Moss">moss</a> and the <a href="./Spider_silk" id="mwCLw" rel="mw:WikiLink" title="Spider silk">silk of spider egg cocoons</a> as a natural form of <a href="./Velcro" id="mwCL0" rel="mw:WikiLink" title="Velcro">Velcro</a> for holding its <b id="mwCL4"><a href="./Structures_built_by_animals" id="mwCL8" rel="mw:WikiLink" title="Structures built by animals">nest</a></b> together?