Tesia
... that the ground living warblers in the genus Tesia appear to almost lack a tail and have very long legs?
... that the ground living <a href="./Old_World_warbler" id="mwF2A" rel="mw:WikiLink" title="Old World warbler">warblers</a> in the <a href="./Genus" id="mwF2E" rel="mw:WikiLink" title="Genus">genus</a> <i id="mwF2I"><b id="mwF2M"><a href="./Tesia" id="mwF2Q" rel="mw:WikiLink" title="Tesia">Tesia</a></b></i> appear to almost lack a <a class="mw-redirect" href="./Retrices#Rectrices" id="mwF2U" rel="mw:WikiLink" title="Retrices">tail</a> and have very long legs?