This information is awaiting authentication by a species expert, and will be updated as soon as possible. If you are able to help please contact: arkive@wildscreen.org.uk
Greene, T.C. (2003) Breeding biology of red-crowned parakeets (Cyanoramphus novaezelandiae) on Little Barrier Island, Hauraki Gulf, New Zealand. Notornis, 50 (2): 83 - 99.