Blackish antbird

The blackish antbird (Cercomacroides nigrescens) is a species of passerine bird in the family Thamnophilidae. It is found in Bolivia, Brazil, Colombia, Ecuador, French Guiana, Peru, and Suriname. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montane forests, and heavily degraded former forest.

Blackish antbird
male at Apiacás, Mato Grosso state, Brazil

Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Thamnophilidae
Genus: Cercomacroides
Species:
C. nigrescens
Binomial name
Cercomacroides nigrescens
(Cabanis & Heine, 1859)
Synonyms

Cercomacra nigrescens

The blackish antbird was described by the German ornithologists Jean Cabanis and Ferdinand Heine in 1860 and given the binomial name Percnostola nigrescens.[2] The specific epithet is from the Latin nigrescens "blackish" (from nigrescere "to become black").[3] The antbird was subsequently included in the genus Cercomacra but a molecular phylogenetic study published in 2014 found that Cercomacra was polyphyletic. The genus was split to create two monophyletic genera and six species including the blackish antbird were moved to the newly erected genus Cercomacroides.[4][5]

There are five subspecies:[5]

  • C. n. nigrescens (Cabanis & Heine, 1860) – Suriname, French Guiana and ne Brazil
  • C. n. aequatorialis (Zimmer, JT, 1931) – south central Colombia, east Ecuador and northeast Peru
  • C. n. notata (Zimmer, JT, 1931) – central Peru
  • C. n. approximans (Pelzeln, 1868) – central Brazil
  • C. n. ochrogyna Snethlage, E, 1928) – east central Brazil

References
  1. BirdLife International (2012). "Cercomacroides nigrescens". IUCN Red List of Threatened Species. 2012. Retrieved 26 November 2013.CS1 maint: ref=harv (link)
  2. Cabanis, Jean; Heine, Ferdinand (1860). Museum Heineanum : Verzeichniss der ornithologischen Sammlung des Oberamtmann Ferdinand Heine, auf Gut St. Burchard vor Halberstadt (in German and Latin). Volume 2. Halbertstadt: R. Frantz. p. 9.
  3. Jobling, James A. (2010). The Helm Dictionary of Scientific Bird Names. London: Christopher Helm. p. 271. ISBN 978-1-4081-2501-4.
  4. Tello, J.G.; Raposo, M.; Bates, J.M.; Bravo, G.A.; Cadena, C.D.; Maldonado-Coelho, M (2014). "Reassessment of the systematics of the widespread Neotropical genus Cercomacra (Aves: Thamnophilidae)". Zoological Journal of the Linnean Society. 170 (3): 546–565. doi:10.1111/zoj.12116.
  5. Gill, Frank; Donsker, David, eds. (2017). "Antbirds". World Bird List Version 8.1. International Ornithologists' Union. Retrieved 30 January 2018.
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