Northern chestnut-tailed antbird

The northern chestnut-tailed antbird (Sciaphylax castanea) is a species of bird in the family Thamnophilidae. It is found in the Amazon Rainforest in northeastern Peru and far eastern Ecuador.

Northern chestnut-tailed antbird
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Class: Aves
Order: Passeriformes
Family: Thamnophilidae
Genus: Sciaphylax
Species:
S. castanea
Binomial name
Sciaphylax castanea
(Zimmer, JT, 1932)
Synonyms
  • Myrmeciza hemimelaena castanea
  • Myrmeciza castanea

The northern chestnut-tailed antbird was originally described by the American ornithologist John Zimmer in 1932 as a subspecies of the southern chestnut-tailed antbird with the trinomial name Myrmeciza hemimelaena castanea.[2] A molecular phylogenetic study published in 2013 found that the genus Myrmeciza, as then defined, was polyphyletic.[3] In the resulting rearrangement to create monophyletic genera the northern chestnut-tailed antbird and the southern chestnut-tailed antbird were moved to a newly erected genus Sciaphylax.[4]

Description

Sciaphylax castanea is 11–12 cm in length and weighs 16–17 grams.[5] It is similar to its congener Sciaphylax hemimelaena, but differentiated by their vocalisations. The tail is short. The male has a dark gray head and neck and reddish-brown upper parts, the wing coverts are blackish with white or yellowish-brown tips, the tail is rufous-brown; the throat and breast are black with gray and brown on the sides and flanks, the midribs are white. The female is similar to the male, but paler; the throat and breast are chestnut to rufous orange, the belly is white tinged with yellowish brown.[6]

References
  1. BirdLife International (2016). "Sciaphylax castanea". IUCN Red List of Threatened Species. 2016: e.T22733153A95054886. doi:10.2305/IUCN.UK.2016-3.RLTS.T22733153A95054886.en. Retrieved 12 November 2021.
  2. Zimmer, John Todd (1932). Studies of Peruvian birds. 6, The formicarian genera Myrmoborus and Myrmeciza in Peru. American Museum Novitates. New York: American Museum of Natural History. pp. 1–24 [23]. hdl:2246/4198.
  3. Isler, M.L.; Bravo, G.A.; Brumfield, R.T. (2013). "Taxonomic revision of Myrmeciza (Aves: Passeriformes: Thamnophilidae) into 12 genera based on phylogenetic, morphological, behavioral, and ecological data" (PDF). Zootaxa. 3717 (4): 469–497. doi:10.11646/zootaxa.3717.4.3. PMID 26176119.
  4. Gill, Frank; Donsker, David, eds. (2017). "Antbirds". World Bird List Version 8.1. International Ornithologists' Union. Retrieved 30 January 2018.
  5. Northern Chestnut-tailed Antbird (Sciaphylax castanea) en Handbook of the Birds of the World - Alive (en inglés). Consultada el 29 de abril de 2017.
  6. Ridgely, Robert & Tudor, Guy. 2009. Myrmeciza castanea y Myrmeciza hemimelaena, p. 365, lámina 31(8), en Field guide to the songbirds of South America: the passerines – 1.st edición – (Mildred Wyatt-World series in ornithology). University of Texas Press, Austin (en inglés). ISBN 978-0-292-71748-0


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