Feral parrot (English Wikipedia)

Hernández-Brito, Dailos (18 March 2021). "Mate shortage in exotic parrots". British Ornithologists' Union. Ibis. doi:10.1111/ibi.12936. S2CID 233929115. Retrieved 19 March 2021.

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Baldwin, Steve (March 20, 2005). "What are Wild Parrots Doing in Brooklyn?". BrooklynParrots.com.

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Menchetti, Mattia; Mori, Emiliano (2014). "Worldwide impact of alien parrots (Aves Psittaciformes) on native biodiversity and environment: a review". Ethology Ecology & Evolution. 26 (2–3): 172–194. Bibcode:2014EtEcE..26..172M. doi:10.1080/03949370.2014.905981. S2CID 84294580.
Hernández-Brito, Dailos (18 March 2021). "Mate shortage in exotic parrots". British Ornithologists' Union. Ibis. doi:10.1111/ibi.12936. S2CID 233929115. Retrieved 19 March 2021.
Menchetti, Mattia; Mori, Emiliano; Angelici, Francesco Maria (2016). Effects of the recent world invasion by ring-necked parakeets Psittacula krameri. Springer International Publishin. pp. 253–266. doi:10.1007/978-3-319-22246-2_12. ISBN 978-3-319-22246-2.
Ancillotto, Leonardo; Strubbe, Diederik; Menchetti, Mattia; Mori, Emiliano (2015). "An overlooked invader? Ecological niche, invasion success and range dynamics of the Alexandrine parakeet in the invaded range" (PDF). Biological Invasions. 18 (2): 1–13. doi:10.1007/s10530-015-1032-y. hdl:10067/1292210151162165141. ISSN 1573-1464. S2CID 17533751.

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Kail, Ellyn EERIE PHOTOS OF FERAL PARROTS IN TOKYO August 22, 2014 Featureshoot Retrieved March 2, 2017

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abcnews.go.com

"Wild Parrots Crowd Other Birds in L.A." ABC News. 20 November 2011.

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Wu, Venus (8 May 2019). "How an endangered cockatoo took over Hong Kong". Goldthread. South China Morning Post. Retrieved 20 May 2020.

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Ancillotto, Leonardo; Strubbe, Diederik; Menchetti, Mattia; Mori, Emiliano (2015). "An overlooked invader? Ecological niche, invasion success and range dynamics of the Alexandrine parakeet in the invaded range" (PDF). Biological Invasions. 18 (2): 1–13. doi:10.1007/s10530-015-1032-y. hdl:10067/1292210151162165141. ISSN 1573-1464. S2CID 17533751.

harvard.edu

ui.adsabs.harvard.edu

Menchetti, Mattia; Mori, Emiliano (2014). "Worldwide impact of alien parrots (Aves Psittaciformes) on native biodiversity and environment: a review". Ethology Ecology & Evolution. 26 (2–3): 172–194. Bibcode:2014EtEcE..26..172M. doi:10.1080/03949370.2014.905981. S2CID 84294580.

iucnredlist.org

"IUCN Red List of Threatened Species: Chestnut-fronted Macaw". iucnredlist.org. IUCN Red List. March 2019. Retrieved 10 March 2020. Extant & Introduced: United States
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japantimes.co.jp

Gardener, Alice Feral parakeets March 19, 2009 Japan Times Retrieved March 2, 2017

natureali.org

Mabb, Karen T. (Jan–Feb 2001). "Researching Parrots in the Wilds of California's Suburban Jungles". AFA Watchbird.

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Lepore, Jill (1 June 2009). "It's Spreading". The New Yorker. New York. pp. 27–29. Retrieved 13 September 2011.

nre.tas.gov.au

"Rainbow Lorikeet". Department of Natural Resources and Environment Tasmania. Retrieved 11 December 2023.

nzbirdsonline.org.nz

"Crimson rosella". New Zealand Birds Online. Retrieved 11 December 2023.

pasadena.ca.us

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"Pasadena Facts". City of Pasadena. Retrieved 17 March 2013.

pasadenaviews.com

"Sunday Spectrum: Pasadena's Parrots". Pasadena Views. 21 March 2010.

scottsla.com

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semanticscholar.org

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Menchetti, Mattia; Mori, Emiliano (2014). "Worldwide impact of alien parrots (Aves Psittaciformes) on native biodiversity and environment: a review". Ethology Ecology & Evolution. 26 (2–3): 172–194. Bibcode:2014EtEcE..26..172M. doi:10.1080/03949370.2014.905981. S2CID 84294580.
Hernández-Brito, Dailos (18 March 2021). "Mate shortage in exotic parrots". British Ornithologists' Union. Ibis. doi:10.1111/ibi.12936. S2CID 233929115. Retrieved 19 March 2021.
Ancillotto, Leonardo; Strubbe, Diederik; Menchetti, Mattia; Mori, Emiliano (2015). "An overlooked invader? Ecological niche, invasion success and range dynamics of the Alexandrine parakeet in the invaded range" (PDF). Biological Invasions. 18 (2): 1–13. doi:10.1007/s10530-015-1032-y. hdl:10067/1292210151162165141. ISSN 1573-1464. S2CID 17533751.

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teara.govt.nz

"Distribution of sulphur-crested cockatoos, galahs and eastern rosellas".

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Ancillotto, Leonardo; Strubbe, Diederik; Menchetti, Mattia; Mori, Emiliano (2015). "An overlooked invader? Ecological niche, invasion success and range dynamics of the Alexandrine parakeet in the invaded range" (PDF). Biological Invasions. 18 (2): 1–13. doi:10.1007/s10530-015-1032-y. hdl:10067/1292210151162165141. ISSN 1573-1464. S2CID 17533751.

usda.gov

aphis.usda.gov

Avery, Michael L.; Lindsay, James R. "Monk Parakeets" (PDF). U.S. Department of Agriculture Animal & Plant Health Inspection Service Wildlife Services. Retrieved 11 December 2023.
Avery, Michael L.; Lindsay, James R. "Monk Parakeets" (PDF). U.S. Department of Agriculture Animal & Plant Health Inspection Service Wildlife Services. Retrieved 11 December 2023.

weirdca.com

"Pasadena Parrots". Weird California. 15 November 2006.

worldcat.org

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Ancillotto, Leonardo; Strubbe, Diederik; Menchetti, Mattia; Mori, Emiliano (2015). "An overlooked invader? Ecological niche, invasion success and range dynamics of the Alexandrine parakeet in the invaded range" (PDF). Biological Invasions. 18 (2): 1–13. doi:10.1007/s10530-015-1032-y. hdl:10067/1292210151162165141. ISSN 1573-1464. S2CID 17533751.