Winifred Hallwachs
... that tropical ecologist Winifred Hallwachs helped develop and expand the Área de Conservación Guanacaste in Costa Rica, which is now a UNESCO World Heritage Site?
... that tropical ecologist <b id="mwAV4"><a href="./Winifred_Hallwachs" id="mwAV8" rel="mw:WikiLink" title="Winifred Hallwachs">Winifred Hallwachs</a></b> helped develop and expand the <a href="./Area_de_Conservación_Guanacaste_World_Heritage_Site" id="mwAWA" rel="mw:WikiLink" title="Area de Conservación Guanacaste World Heritage Site">Área de Conservación Guanacaste</a> in Costa Rica, which is now a UNESCO <a href="./World_Heritage_Site" id="mwAWE" rel="mw:WikiLink" title="World Heritage Site">World Heritage Site</a>?