hollows
...that it may take more than 220 years for eucalyptus trees to form hollows suitable for larger animals?
...that it may take more than 220 years for <a href="./Eucalyptus" id="mwBEA" rel="mw:WikiLink" title="Eucalyptus">eucalyptus</a> trees to form <b id="mwBEE"><a href="./Tree_hollow" id="mwBEI" rel="mw:WikiLink" title="Tree hollow">hollows</a></b> suitable for larger animals?