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Juniper, T.; Parr, M. 1998. Parrots: a guide to the parrots of the world. Pica Press, Robertsbridge, UK.
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Recommended citation
BirdLife International (2024) Species factsheet: Red-faced Parrot Hapalopsittaca pyrrhops. Downloaded from
https://datazone.birdlife.org/species/factsheet/red-faced-parrot-hapalopsittaca-pyrrhops on 22/12/2024.
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 22/12/2024.