Black-collared swallow explained

The black-collared swallow (Pygochelidon melanoleuca) is a species of bird in the family Hirundinidae.It is found in Argentina, Bolivia, Brazil, Colombia, French Guiana, Guyana, Paraguay, Suriname, and Venezuela.Its natural habitat is rivers—in particular, "rapids and rocky outcrops stretches of medium and large sized rivers."^[1] It forages in the rapids, and nests in rocky outcrops. It is threatened by habitat loss from hydropower dams.

This species was formerly placed in the genus Atticora. It was moved to the resurrected genus Pygochelidon based on a phylogenetic study published in 2005.^{[2] [3] [4]}

Description

As an adult, it is approximately 14 cm long, and weighes 10-12 grams.

Social Behavior

It is typically seen alone or in small groups.^[5]

Notes and References

1. 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 . 10.1590/1676-0611-bn-2021-1305 . 1676-0611. free .
2. 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 . 10.1016/j.ympev.2004.11.008 . 15737595 .
3. Web site: Stiles . F. Gary . 2007 . Proposal 314: Revise the generic limits of Neotropical swallows . South American Classification Committee, American Ornithologists' Union . 19 July 2021.
4. Web site: Gill . Frank . Frank Gill (ornithologist) . Donsker . David . Rasmussen . Pamela . Pamela Rasmussen . July 2021 . Swallows . IOC World Bird List Version 11.2 . International Ornithologists' Union . 19 July 2021 .
5. Alteff . Eduardo França . 2023-06-07 . 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 . 10.25226/bboc.v143i2.2023.a4 . 0007-1595. free .