Photographer: Helen Groger-Wurm2019-11-022019-11-027/10/1957http://hdl.handle.net/1885/182148Major Mitchell's cockatoos.3.5cm x 2cmmounted transparencycolourimage/tiffimage/jpgen-AUThis item is provided for research purposes. Contact the Australian National University Archives at butlin.archives@anu.edu.au for permission to use.native birdscockatoos2019-11-02