Bird, J.P., Martin, R., Akçakaya, H.R., Gilroy, J., Burfield, I.J., Garnett, S.G., Symes, A., Taylor, J., Sekercioglu, Ç.H. and Butchart, S.H.M. 2020. Generation lengths of the world’s birds and their implications for extinction risk. Conservation Biology 34: 1252-1261. DOI: 10.1111/cobi.13486.
Chambers, L. E. 2008. Trends in timing of migration of south-western Australian birds and their relationship to climate. Emu 108(1): 1-14.
del Hoyo, J., Elliott, A. and Sargatal, J. 1997. Handbook of the Birds of the World, Vol. 4: Sandgrouse to Cuckoos. Lynx Edicions, Barcelona, Spain.
Donald, P.F., Fernando, E., Brown, L., Busana, M., Butchart, S.H.M., Chng, S., Colina, A.d.l., Ferreira, J.M., Jain, A., Jones, V.R., Lapido, R., Malsch, K., McDougall, A., Muccio, C., Nguyen, D., Outhwaite, W., Petrovan, S.O., Stafford, C., Sutherland, W.J., Tallowin, O. & Safford, R. 2024 (in press). Assessing the global prevalence of wild birds in trade.
Garnett, S.T. & Baker, G.B. (eds.). 2021. The Action Plan for Australian Birds 2020. CSIRO Publishing, Melbourne.
IUCN. 2016. The IUCN Red List of Threatened Species. Version 2016-3. Available at: https://www.iucnredlist.org. (Accessed: 07 December 2016).
IUCN. 2024. The IUCN Red List of Threatened Species. Version 2024-2. Available at: https://www.iucnredlist.org. (Accessed: 22 October 2024).
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Recommended citation
BirdLife International (2024) Species factsheet: Red-capped Parrot Purpureicephalus spurius. Downloaded from
https://datazone.birdlife.org/species/factsheet/red-capped-parrot-purpureicephalus-spurius on 23/11/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from
https://datazone.birdlife.org/species/search on 23/11/2024.