Purple martin (English Wikipedia)

Jobling, James A. (2010). The Helm Dictionary of Scientific Bird Names. London: Christopher Helm. pp. 317, 371. ISBN 978-1-4081-2501-4.
Turner, Angela K.; Ros, Chris (1989). Swallows & Martins. Boston: Houghton Mifflin. pp. 7, 123–126. ISBN 0-395-51174-7.

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Brown, Charles R. Purple Martin (Progne subis); The Birds of North America Online (A. Poole (eds.). "Purple Martin - Introduction". Ithaca: Cornell Lab of Ornithology. doi:10.2173/bow.purmar.02. S2CID 239439762. Retrieved 1 November 2009.

Abare, Chuck. "The Purple Martin Progne subis subis". Chuck's Purple Martin Page.

BirdLife International (2016). "Progne subis". IUCN Red List of Threatened Species. 2016: e.T22712098A94319217. doi:10.2305/IUCN.UK.2016-3.RLTS.T22712098A94319217.en. Retrieved 12 November 2021.
Brown, Charles R. Purple Martin (Progne subis); The Birds of North America Online (A. Poole (eds.). "Purple Martin - Introduction". Ithaca: Cornell Lab of Ornithology. doi:10.2173/bow.purmar.02. S2CID 239439762. Retrieved 1 November 2009.
Morton, E. S. (1990). "The Biological Significance of Age-Specific Return Schedules in Breeding Purple Martins". The Condor. 92 (4): 1040–1050. doi:10.2307/1368740. JSTOR 1368740.
Jervis, L. (2019). "Resisting Extinction: Purple Martins, Death, and the Future". Conservation and Society. 17 (3): 227–235. doi:10.4103/cs.cs_18_37.

Henry, Alan (8 October 2004). "eBird Checklist - 8 Oct 2004 - Stanley - 1 species". ebird.org. Retrieved 4 November 2022.
"eBird - Discover a new world of birding..." ebird.org. Cornell Lab of Ornithology. Retrieved 4 November 2022.

BirdLife International (2016). "Progne subis". IUCN Red List of Threatened Species. 2016: e.T22712098A94319217. doi:10.2305/IUCN.UK.2016-3.RLTS.T22712098A94319217.en. Retrieved 12 November 2021.
International), BirdLife International (BirdLife (2016-10-01). "IUCN Red List of Threatened Species: Purple Martin". IUCN Red List of Threatened Species. Retrieved 2020-02-21.

Morton, E. S. (1990). "The Biological Significance of Age-Specific Return Schedules in Breeding Purple Martins". The Condor. 92 (4): 1040–1050. doi:10.2307/1368740. JSTOR 1368740.
Russell, K.R. (1998). "Large-Scale Mapping of Purple Martin Pre-Migratory Roosts Using WSR-88D Weather Surveillance Radar (Mapas a Larga Escala De Los Dormideros Pre-Migratorios De Progne subis Utilizando Radares WSR-88D Para El Monitoreo Del Clima". Journal of Field Ornithology. 69 (2): 316–325. JSTOR 4514321.

Brown, Charles R. Purple Martin (Progne subis); The Birds of North America Online (A. Poole (eds.). "Purple Martin - Introduction". Ithaca: Cornell Lab of Ornithology. doi:10.2173/bow.purmar.02. S2CID 239439762. Retrieved 1 November 2009.

Gill, Frank; Donsker, David; Rasmussen, Pamela, eds. (July 2021). "Swallows". IOC World Bird List Version 11.2. International Ornithologists' Union. Retrieved 13 October 2021.