white-browed tit-warbler
... that the white-browed tit-warbler has been found to practice cooperative breeding?
... that the <b id="mwBvM"><a href="./White-browed_tit-warbler" id="mwBvQ" rel="mw:WikiLink" title="White-browed tit-warbler">white-browed tit-warbler</a></b> has been found to practice <a href="./Cooperative_breeding" id="mwBvU" rel="mw:WikiLink" title="Cooperative breeding">cooperative breeding</a>?