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The Cayenne nightjar (''Setopagis maculosa'') is a species of bird in the
nightjar Nightjars are medium-sized nocturnal or crepuscular birds in the family Caprimulgidae and order Caprimulgiformes, characterised by long wings, short legs, and very short bills. They are sometimes called goatsuckers, due to the ancient folk ta ...
family only known from a single specimen, a male taken on the Fleuve Mana,
French Guiana French Guiana ( or ; french: link=no, Guyane ; gcr, label=French Guianese Creole, Lagwiyann ) is an overseas departments and regions of France, overseas department/region and single territorial collectivity of France on the northern Atlantic ...
, in 1917. However, a possible female was caught at the SaĆ¼l airstrip, French Guiana, in 1982.Papazian, A. (2020). Cayenne Nightjar (''Setopagis maculosa''), version 1.0. In Birds of the World (T. S. Schulenberg, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.caynig1.01 retrieved October 9, 2021


Taxonomy and systematics

The Cayenne nightjar was originally described in 1920 as ''Nyctipolus maculosus'' and was later lumped into genus ''Caprimulgus''. Some authors contended that it is not a species, but a subspecies of
blackish nightjar The blackish nightjar (''Nyctipolus nigrescens'') is a species of bird in the family Caprimulgidae. It is found in Brazil, Bolivia, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, and Venezuela.Remsen, J. V., Jr., J. I. Areta, E. ...
(''Nyctipolus nigrescens''). By the early 2000s it was generally recognized as a species and has been placed in its current genus ''Setopagis'' since the early 2010s. Nevertheless, the South American Classification Committee of the
American Ornithological Society The American Ornithological Society (AOS) is an ornithological organization based in the United States. The society was formed in October 2016 by the merger of the American Ornithologists' Union (AOU) and the Cooper Ornithological Society. Its m ...
(AOS) states, " Its placement in ''Setopagis'' is entirely tentative", and the Cornell Lab of Ornithology's ''Birds of the World'' agrees.Remsen, J. V., Jr., J. I. Areta, E. Bonaccorso, S. Claramunt, A. Jaramillo, D. F. Lane, J. F. Pacheco, M. B. Robbins, F. G. Stiles, and K. J. Zimmer. Version 24 August 2021. A classification of the bird species of South America. American Ornithological Society. https://www.museum.lsu.edu/~Remsen/SACCBaseline.htm retrieved August 24, 2021


Description

The Cayenne nightjar is known in certainty only from the
holotype A holotype is a single physical example (or illustration) of an organism, known to have been used when the species (or lower-ranked taxon) was formally described. It is either the single such physical example (or illustration) or one of several ...
, a male. The specimen was measured by two researchers as long. The upperparts are grayish-brown with cinnamon spots and broad blackish brown streaks. The face is mostly chestnut. The hindneck has a narrow, indistinct tawny collar with brown bars. The wing
coverts A covert feather or tectrix on a bird is one of a set of feathers, called coverts (or ''tectrices''), which, as the name implies, cover other feathers. The coverts help to smooth airflow over the wings and tail. Ear coverts The ear coverts are sm ...
are grayish brown, heavily spotted with buff and cinnamon; the scapulars are blackish brown, broadly edged with buff. The tail is brown with a few small white spots and is otherwise mottled with grayish brown and barred with blackish brown. The chin, throat, and upper breast are buff with a chestnut tinge and brown bars. The belly and flanks are buff with brown bars. The individual captured in 1982 differed in minor ways and could have been either a female or an immature male. It was not photographed so there is no permanent record of its appearance.


Distribution and habitat

The only positively identified Cayenne nightjar was collected at Tamanoir, French Guiana, in 1917. The 1982 putative female was captured approximately southeast of that site, and additional possible sight records came from that general area in 1999. All of the records of Cayenne nightjar (positive and possible) are from humid lowland forest.
Blackish nightjar The blackish nightjar (''Nyctipolus nigrescens'') is a species of bird in the family Caprimulgidae. It is found in Brazil, Bolivia, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, and Venezuela.Remsen, J. V., Jr., J. I. Areta, E. ...
specimens have been collected at the same site as the 2017 holotype; it is strongly associated with rock outcroppings but it is unknown if the Cayenne nightjar shares that habitat preference.


Biology

Nothing is known about the Cayenne nightjar's biology. Its feeding, breeding, and other behaviors are assumed to be similar to those of other nightjars.


Status

The
IUCN The International Union for Conservation of Nature (IUCN; officially International Union for Conservation of Nature and Natural Resources) is an international organization working in the field of nature conservation and sustainable use of natu ...
has assessed the Cayenne nightjar as Data Deficient. "Nevertheless, potentially suitable habitat remains, and there is no reason why the species may not still be extant."


References


Further reading

{{Taxonbar, from=Q27074759 Setopagis Birds of the Guianas Birds described in 1920 Taxa named by W. E. Clyde Todd Species known from a single specimen