“The lawyer-ornithologist {{w|Norman Joseph Favaloro|Norman Favaloro}} tells of removing a {{w|house sparrow}}'s nest from a 'well-formed hollow' in a {{w|eucalyptus}} in the {{w|Melbourne}} outer suburbs of {{w|Mitcham, Victoria|Mitcham}} ... Two weeks later he cleared out a {{w|starling}}'s nest from the hollow. Three weeks later he flushed a {{w|kookaburra}} from a clutch of three eggs in the same hollow.Clearly the starling is causing losses among native birds ...”