Kaggaladu
...that Grey Herons began nesting in the Kaggaladu heronry in only a single tree?
...that <a class="mw-redirect" href="./Grey_Heron" id="mwC6I" rel="mw:WikiLink" title="Grey Heron">Grey Herons</a> began nesting in the <b id="mwC6M"><a href="./Kaggaladu" id="mwC6Q" rel="mw:WikiLink" title="Kaggaladu">Kaggaladu</a></b> <a href="./Heronry" id="mwC6U" rel="mw:WikiLink" title="Heronry">heronry</a> in only a single tree?