Bicolored antbird

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Bicolored antbird
Gymnopithys-leucaspis-001 edit2.jpg
Scientific classification edit
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Thamnophilidae
Genus: Gymnopithys
G. bicolor
Binomial name
Gymnopithys bicolor
(Lawrence, 1863)

Gymnopithys leucaspis bicolor

The bicolored antbird (Gymnopithys bicolor) is a species of bird in the Thamnophilidae family. It is found in Honduras south to Panama, western Colombia and Ecuador. Its natural habitat is subtropical or tropical moist lowland forests.

The bicolored antbird was described by the American amateur ornithologist George Newbold Lawrence in 1863 and given the binomial name Pithys bicolor.[2]

There are five recognised subspecies:[3]

  • G. b. olivascens (Ridgway, 1891) – Honduras to west Panama
  • G. b. bicolor (Lawrence, 1863) – east Panama and northwest Colombia
  • G. b. daguae Hellmayr, 1906 – west Colombia
  • G. b. aequatorialis (Hellmayr, 1902) – southwest Colombia and west Ecuador
  • G. b. ruficeps Salvin & Godman, 1892 – central Colombia

The bicolored antbird was formerly considered as conspecific with the white-cheeked antbird. They were split into separate species based on the results of a genetic study published in 2007 that found that the white-cheeked antbird was more similar to the rufous-throated antbird than it was to the bicolored antbird.[4][5]

It is dark brown with a white belly and grey and black facial markings.



  1. ^ BirdLife International (2016). "Gymnopithys bicolor". IUCN Red List of Threatened Species. International Union for Conservation of Nature. doi:10.2305/IUCN.UK.2016-3.RLTS.T22730409A104035236.en. Retrieved 10 March 2018.
  2. ^ Lawrence, George Newbold (1867). "Catalogue of a collection of birds, made in new Granada, by James McLeannan, Esq., of New York, with notes and descriptions of new species". Annals of the Lyceum of Natural History of New York. 8: 6–7.
  3. ^ Gill, Frank; Donsker, David, eds. (2018). "Antbirds". World Bird List Version 8.1. International Ornithologists' Union. Retrieved 16 March 2018.
  4. ^ Brumfield, R.T.; Tello, J.G.; Cheviron, Z.A.; Carling, M.D.; Crochet, N.; Rosenberg, K.V. (2007). "Phylogenetic conservatism and antiquity of a tropical specialization: Army-ant-following in the typical antbirds (Thamnophilidae)". Molecular Phylogenetics and Evolution. 45 (1): 1–13. doi:10.1016/j.ympev.2007.07.019.
  5. ^ Freeman, Ben (September 2013). "Proposal (587): Split Gymnopithys leucaspis into two species". South American Classification Committee of the American Ornithological Society. Retrieved 16 March 2018.

External links

  • Xeno-canto: audio recordings of the bicolored antbird
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