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References
AZARA: Apuntamientos para la Historia Natural de los Páxaros, 1805.
CASSIN: Catalogue of the Hirundinidae in the Museum of the Philadelphia Academy, 1853.
GOULD: Zoology of the Voyage of the Beagle, vol. 3, 1841.
GRAY: Catalogue of the Fissirostral Birds in the British Museum, 1848.
LINNEUS: Systema Naturae, ed. 10, vol. 1, 1758.
OLIVERO PINTO: Catálogo das Aves do Brasil, 1938.
PETERS, JAMES: Check-list of Birds of the World, vol. 9, 1964.
RIDGWAY: Birds of North and Middle America, vol. 3, 1904.
SHARPE: Catalogue of Birds in the British Museum, vol. 10, 1885.
SHARPE and WYATT: Monograph of the Hirundinidae, 1894.
SWAINSON and RICHARDSON: Fauna Boreali-Americana, 1831.
VIEILLOT: Nouveau Dictionnaire d’Histoire Naturelle, vol. 14, 1817.
WETMORE: Observations on the Birds of Argentina, Uruguay, and Chile. U.S. National Museum, Bulletin 133.

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