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2. Peters, J. L. (1937). Check-list of Birds of the World. Volume 3. Museum of Comparative Zoology, Harvard University Press, Cambridge, Massachusetts, USA.
3. Breeding biology of the reverse‐dichromatic, co‐operative parrot
Eclectus roratus
4. Collar, N. J. (1997). Family Psittacidae (parrots). In Handbook of the Birds of the World. Volume 4. Sandgrouse to Cuckoos (J. Del Hoyo, A. Elliott, and J. Sargatal, Editors). Lynx Edicions, Barcelona, Spain. pp. 280–477.
5. Pyle, P. (2022). Identification Guide to North American Birds. Part I, Second Edition. Slate Creek Press, Forest Knolls, California, USA.