Black-collared swallow (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Black-collared swallow" in English language version.

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BirdLife International (2017). "Pygochelidon melanoleuca". IUCN Red List of Threatened Species. 2017: e.T22712140A118843844. doi:10.2305/IUCN.UK.2017-3.RLTS.T22712140A118843844.en. Retrieved 16 November 2021.
Silva, Gabriele Andreia da; Frederico, Renata Guimarães; Almeida, Sara Miranda; Salvador, Gilberto Nepomuceno; Malacco, Gustavo Bernardino; Melo, Celine de (2022). "Conservation of the Black-collared Swallow, Pygochelidon melanoleuca (Wied, 1820) (Aves: Hirundinidae) in Brazil: potential negative impacts of hydropower plants". Biota Neotropica. 22 (1). doi:10.1590/1676-0611-bn-2021-1305. ISSN 1676-0611.
Sheldon, F.H.; Whittingham, L.A.; Moyle, R.G.; Slikas, B.; Winkler, D.W. (2005). "Phylogeny of swallows (Aves: Hirundinidae) estimated from nuclear and mitochondrial DNA sequencing". Molecular Phylogenetics and Evolution. 35 (1): 254–270. doi:10.1016/j.ympev.2004.11.008. PMID 15737595.
Alteff, Eduardo França (7 June 2023). "Results of ornithological inventories in north-west Minas Gerais state, Brazil, with notes on distribution and conservation". Bulletin of the British Ornithologists' Club. 143 (2). doi:10.25226/bboc.v143i2.2023.a4. ISSN 0007-1595.

Stiles, F. Gary (2007). "Proposal 314: Revise the generic limits of Neotropical swallows". South American Classification Committee, American Ornithologists' Union. Retrieved 19 July 2021.

Sheldon, F.H.; Whittingham, L.A.; Moyle, R.G.; Slikas, B.; Winkler, D.W. (2005). "Phylogeny of swallows (Aves: Hirundinidae) estimated from nuclear and mitochondrial DNA sequencing". Molecular Phylogenetics and Evolution. 35 (1): 254–270. doi:10.1016/j.ympev.2004.11.008. PMID 15737595.

Gill, Frank; Donsker, David; Rasmussen, Pamela, eds. (July 2021). "Swallows". IOC World Bird List Version 11.2. International Ornithologists' Union. Retrieved 19 July 2021.